CONTENTS
S.No. Programs
Pg. No.
1.
RMI – Addition
1
2.
RMI – Calculator
5
3.
JDBC – Creating Table
9
4.
JDBC – Viewing a Table using SELECT Statement
11
5.
JDBC – Inserting values in Table
13
6.
JDBC – Updating a Table
15
7.
JDBC – Using Prepared Statements
17
8.
JDBC – Scrollable RESULTSET Statement
19
9.
JDBC – Deleting values in Table
21
10.
JDBC – Using Callable Statements
23
11.
SERVLETS – Hidden Form Fields
25
12.
SERVLETS – URL Rewriting
29
13.
SERVLETS - Cookies
33
14.
SERVLETS - HttpSession
37
15.
SERVLETS – User Authorization
41
16.
JSP – Forward Action Tag
46
17.
JSP – Include Action Tag
48
18.
JSP – useBean Action Tag
50
Sign
19.
JSP – getProperty and setProperty Action Tag
52
20.
EJB – Stateless Session Bean
54
21.
EJB – Statefull Session Bean
57
22.
EJB – Message Driven Bean
60
23.
EJB – Entity Session Bean
65
24.
STRUTS – HelloWorld
68
25.
ANDROID – Database Connectivity
71
Advanced JAVA LAB
1. RMI PROGRAM -Addition
P1. AddServerIntf.java
import java.rmi.*;
public interface AddServerIntf extends Remote {
double add(double d1, double d2) throws RemoteException;
}
P2. AddServerImpl.java
import java.rmi.*;
import java.rmi.server.*;
public class AddServerImpl extends UnicastRemoteObject
implements AddServerIntf {
public AddServerImpl() throws RemoteException {
}
public double add(double d1, double d2) throws RemoteException {
return d1 + d2;
}
}
P3. AddServer.java
import java.net.*;
import java.rmi.*;
import java.lang.Throwable;
public class AddServer {
public static void main(String args[]) {
try {
AddServerImpl addServerImpl = new AddServerImpl();
Naming.rebind("AddServer", addServerImpl);
}
catch(Exception e)
{
System.out.println("Exception: " + e);
}
}
}
4. AddClient.java
import java.rmi.*;
public class AddClient {
public static void main(String args[]) {
try {
String addServerURL = "rmi://" + args[0] + "/AddServer";
AddServerIntf addServerIntf =
(AddServerIntf)Naming.lookup(addServerURL);
System.out.println("The first number is: " + args[1]);
double d1 = Double.valueOf(args[1]).doubleValue();
1|Page
Advanced JAVA LAB
System.out.println("The second number is: " + args[2]);
double d2 = Double.valueOf(args[2]).doubleValue();
System.out.println("The sum is: " + addServerIntf.add(d1, d2));
}
catch(Exception e) {
System.out.println("Exception: " + e);
}
}
}
2|Page
Advanced JAVA LAB
Output:
Start RMI Registry:
Start Server:
3|Page
Advanced JAVA LAB
Client Side Class (At another JVM)
4|Page
Advanced JAVA LAB
2.
RMI PROGRAM –Calculator
P1. AddServerIntf.java
import java.rmi.*;
public interface AddServerIntf extends Remote {
double add(double d1, double d2) throws RemoteException;
double sub(double d1, double d2) throws RemoteException;
double mul(double d1, double d2) throws RemoteException;
double div(double d1, double d2) throws RemoteException;
}
P2. AddServerImpl.java
import java.rmi.*;
import java.rmi.server.*;
public class AddServerImpl extends UnicastRemoteObject
implements AddServerIntf {
public AddServerImpl() throws RemoteException {
}
public double add(double d1, double d2) throws RemoteException {
return d1 + d2;
}
public double sub(double d1, double d2) throws RemoteException {
return d1 - d2;
}
public double mul(double d1, double d2) throws RemoteException {
return d1 * d2;
}
public double div(double d1, double d2) throws RemoteException {
return d1 / d2;
}
}
P3. AddServer.java
import java.net.*;
import java.rmi.*;
import java.lang.Throwable;
public class AddServer {
public static void main(String args[]) {
try {
AddServerImpl addServerImpl = new AddServerImpl();
Naming.rebind("AddServer", addServerImpl);
}
catch(Exception e)
{
System.out.println("Exception: " + e);
}
}
}
5|Page
Advanced JAVA LAB
4. AddClient.java
import java.rmi.*;
public class AddClient {
public static void main(String args[]) {
try {
String addServerURL = "rmi://" + args[0] + "/AddServer";
AddServerIntf addServerIntf =
(AddServerIntf)Naming.lookup(addServerURL);
System.out.println("The first number is: " + args[1]);
double d1 = Double.valueOf(args[1]).doubleValue();
System.out.println("The second number is: " + args[2]);
double d2 = Double.valueOf(args[2]).doubleValue();
System.out.println("The sum is: " + addServerIntf.add(d1, d2));
System.out.println("The diff is: " + addServerIntf.sub(d1, d2));
System.out.println("The product is: " + addServerIntf.mul(d1, d2));
System.out.println("The quotient is: " + addServerIntf.div(d1, d2));
}
catch(Exception e) {
System.out.println("Exception: " + e);
}
}
}
6|Page
Advanced JAVA LAB
OUTPUT
Start RMI REGISTRY
RMI REGISTRY
7|Page
Advanced JAVA LAB
CLIENT
8|Page
Advanced JAVA LAB
JDBC
Program 1. Creating a table in database.
import java.sql.*;
import java.io.*;
public class Marktest{
public Marktest() {
}
public void mks() {
Connection con = null;
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection("jdbc:odbc:moviecatalog","", "");
Statement stmt = con.createStatement();
String sql = "CREATE TABLE MARKS" +
"(id INTEGER not NULL, " +
" java INTEGER ," +
" distsys INTEGER, " +
" compiler INTEGER, " +
" ada INTEGER, " +
" maths INTEGER, " +
" PRIMARY KEY ( id ))";
stmt.executeUpdate(sql);
}
catch(SQLException se)
{
se.printStackTrace(); }
catch(Exception e)
{
e.printStackTrace();
}
finally
{
// try{
// if(stmt!=null)
// con.close();
// }
// catch(SQLException se){
// }
try{
if(con!=null) con.close();
} catch(SQLException
se){
se.printStackTrace();
} }
System.out.println("End");
}
public static void main(String[] args) {
Marktest mtest = new Marktest();
mtest.mks();
}
}
9|Page
Advanced JAVA LAB
OUTPUT
Compile:
Database:
10 | P a g e
Advanced JAVA LAB
Program 2. View a table in database using SELECT Statement.
import java.sql.*;
import java.io.*;
public class SelectDataApp {
public SelectDataApp() {
}
public void selectData() {
Connection con = null;
try {
// Load the Driver class file
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
// Make a connection to the ODBC datasource Movie Catalog
con = DriverManager.getConnection("jdbc:odbc:moviecatalog",
"", "");
// Create the statement
Statement statement = con.createStatement();
// Use the created statement to SELECT the DATA
// FROM the Titles Table.
ResultSet rs = statement.executeQuery("SELECT * " +
"FROM Titles");
// Iterate over the ResultSet
while ( rs.next() ) {
// get the title_name, which is a String
System.err.println("Title Name = " + rs.getString("title_name"));
// get the rating
System.err.println("Title Rating = " + rs.getString("rating"));
// get the price
System.err.println("Title Price = " + rs.getString("price"));
// get the quantity
System.err.println("Title Quantity = " + rs.getString("quantity") + "\n");
}
// Close the ResultSet
rs.close();
System.in.read();
}
catch (IOException ioe) {
System.err.println(ioe.getMessage());
}
catch (SQLException sqle) {
System.err.println(sqle.getMessage());
}
catch (ClassNotFoundException cnfe) {
System.err.println(cnfe.getMessage());
}
catch (Exception e) {
System.err.println(e.getMessage());
}
finally {
try {
if ( con != null ) {
11 | P a g e
Advanced JAVA LAB
// Close the connection no matter what
con.close();
} }
catch (SQLException sqle) {
System.err.println(sqle.getMessage());
} } }
public static void main(String[] args) {
SelectDataApp selectDataApp = new SelectDataApp();
selectDataApp.selectData();
}}
OUTPUT
12 | P a g e
Advanced JAVA LAB
Program 3. Inserting values in a table in database.
import java.sql.*;
import java.io.*;
public class Insertmarks{
public Insertmarks() {
}
public void imks()throws IOException {
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection("jdbc:odbc:moviecatalog","", "");
Statement stmt = con.createStatement();
String sql = "INSERT INTO MARKS VALUES(1,66,67,98,87,90)";
stmt.executeUpdate(sql);
String sql1 = "INSERT INTO MARKS VALUES(3,66,67,98,87,90)";
stmt.executeUpdate(sql1);
String sql2 = "INSERT INTO MARKS VALUES(21,66,67,98,87,90)";
stmt.executeUpdate(sql2);
String sql3 = "INSERT INTO MARKS VALUES(23,66,67,98,87,90)";
stmt.executeUpdate(sql3);
System.out.println("Inserted records into the table...");
stmt.executeUpdate(sql);
}
catch(SQLException se)
{
se.printStackTrace(); }
catch(Exception e)
{
e.printStackTrace();
}
finally
{
// try{
// if(stmt!=null)
// con.close();
// }
// catch(SQLException se){
// }
try{
if(con!=null)
con.close();
}
catch(SQLException se){
se.printStackTrace();
} }}
public static void main(String[] args)throws IOException {
Insertmarks imarks = new Insertmarks();
imarks.imks();
}
}
13 | P a g e
Advanced JAVA LAB
OUTPUT
Compile:
Database:
14 | P a g e
Advanced JAVA LAB
Program 4. Updating values in a table in database.
import java.sql.*;
import java.io.*;
public class Updatemarks{
public Updatemarks() {
}
public void umks()throws IOException {
Connection con = null;
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection("jdbc:odbc:moviecatalog","", "");
Statement stmt = con.createStatement();
String sql = "UPDATE MARKS SET java=90, ada=98 WHERE Id=3;";
stmt.executeUpdate(sql);
System.out.println("Updated Records...");
stmt.executeUpdate(sql);
}
catch(SQLException se)
{
se.printStackTrace();
}
catch(Exception e)
{
e.printStackTrace();
}
finally
{
// try{
// if(stmt!=null)
// con.close();
// }
// catch(SQLException se){
// }
try{
if(con!=null)
con.close();
}
catch(SQLException se){
se.printStackTrace();
}
}
}
public static void main(String[] args)throws IOException {
Updatemarks umarks = new Updatemarks();
umarks.umks();
}
}
15 | P a g e
Advanced JAVA LAB
OUTPUT
Compile:
Database
16 | P a g e
Advanced JAVA LAB
Program 5. Prepared Statements in database
import java.sql.*;
class InsertPrepared{
public static void main(String args[]){ try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con=con = DriverManager.getConnection("jdbc:odbc:moviecatalog","", "");
PreparedStatement stmt=con.prepareStatement("insert into MARKS values(?,?,?,?,?,?)");
stmt.setInt(1,123);//1 specifies the first parameter in the query
stmt.setInt(2,69);
stmt.setInt(3,78);
stmt.setInt(4,74);
stmt.setInt(5,91);
stmt.setInt(6,56);
int i=stmt.executeUpdate();
System.out.println(i+" records inserted");
con.close();
}catch(Exception e){ System.out.println(e);}
}
}
17 | P a g e
Advanced JAVA LAB
OUTPUT
Compile:
Database Affected:
18 | P a g e
Advanced JAVA LAB
Program 6. Scrollable RESULTSET in database
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class MyScrollableResultSetEx
{
public static void main(String a[])
{
Connection con = null;
Statement st = null;
ResultSet rs = null;
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection("jdbc:odbc:moviecatalog","", "");
st = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY);
rs = st.executeQuery("select java, ada from MARKS");
System.out.println("ResultSet Curson is at before first: "+rs.isBeforeFirst());
while(rs.next())
{
System.out.println(rs.getInt(1)+" "+rs.getInt(2));
} //now result set cursor reached the last position
System.out.println("Is After Last: "+rs.isAfterLast());
while(rs.previous())
{
System.out.println(rs.getInt(1)+" "+rs.getInt(2));
}
}
catch (ClassNotFoundException e)
{
// TODO Auto-generated catch block e.printStackTrace();
}
catch (SQLException e)
{ // TODO Auto-generated catch block e.printStackTrace();
}
finally{ try{ if(rs != null) rs.close(); if(st != null) st.close(); if(con != null) con.close();
}
catch(Exception ex){}
}
}
}
19 | P a g e
Advanced JAVA LAB
OUTPUT
20 | P a g e
Advanced JAVA LAB
Program 7. Deleting values in a table in database.
import java.sql.*;
import java.io.*;
public class Deleterecord{
public Deleterecord() {
}
public void dltb()throws IOException {
Connection con = null;
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection("jdbc:odbc:moviecatalog","", "");
Statement stmt = con.createStatement();
String sql = "DELETE FROM MARKS WHERE id=123;";
stmt.executeUpdate(sql);
System.out.println("Deleted records from the table...");
stmt.executeUpdate(sql);
}
catch(SQLException se)
{
se.printStackTrace();
}
catch(Exception e)
{
e.printStackTrace();
}
finally
{
// try{
// if(stmt!=null)
// con.close();
// }
// catch(SQLException se){
// }
try{
if(con!=null)
con.close();
}
catch(SQLException se){
se.printStackTrace();
} }}
public static void main(String[] args)throws IOException {
Deleterecord dt = new Deleterecord();
dt.dltb();
}
}
21 | P a g e
Advanced JAVA LAB
OUTPUT:
Compile:
Database View:
22 | P a g e
Advanced JAVA LAB
Program 8. Callable Statements in database
Stored Procedure:
CREATE DEFINER=`root`@`localhost` PROCEDURE `film_in_stock`(IN p_film_id INT, IN p_store_id
INT, OUT p_film_count INT)
READS SQL DATA
BEGIN
SELECT inventory_id
FROM inventory
WHERE film_id = p_film_id
AND store_id = p_store_id
AND inventory_in_stock(inventory_id);
SELECT FOUND_ROWS() INTO p_film_count;
END
Program:
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class MySimpleCallableStatement {
public static void main(String a[]){
Connection con = null;
CallableStatement callSt = null;
try {
Class.forName("com.mysql.jdbc.Driver");
con=DriverManager.getConnection("jdbc:mysql://localhost:3306/sakila","root","test");
callSt = con.prepareCall("{call film_in_stock(?,?,?)}");
callSt.setInt(1,200);
callSt.setDouble(2, 3000);
callSt.execute();
System.out.println("Executed stored procedure!!!");
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally{
try{
if(callSt != null) callSt.close();
if(con != null) con.close();
} catch(Exception ex){}
}
}
}
23 | P a g e
Advanced JAVA LAB
OUTPUT
24 | P a g e
SERVLETS
Program 1: Hidden Form Field
Index.html
<form action="servlet1">
Name:<input type="text" name="userName"/><br/>
<input type="submit" value="go"/>
</form>
FirstServlet.java
import java.io.*; import
javax.servlet.*; import
javax.servlet.http.*;
public class FirstServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response){
try{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String n=request.getParameter("userName");
out.print("Welcome "+n);
//creating form that have invisible textfield
out.print("<form action='servlet2'>");
out.print("<input type='hidden' name='uname' value='"+n+"'>");
out.print("<input type='submit' value='go'>");
out.print("</form>");
out.close();
}catch(Exception e){System.out.println(e);}
}
}
SecondServlet.java
import java.io.*; import
javax.servlet.*; import
javax.servlet.http.*;
public class SecondServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
{
try{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
//Getting the value from the hidden field
String n=request.getParameter("uname");
out.print("Hello
"+n);
25 | P a g e
out.close();
}
catch(Exception e)
{
System.out.println(e);
}
}
}
Web.xml
<web-app>
<servlet>
<servlet-name>servlet1</servlet-name>
<servlet-class>FirstServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>servlet1</servlet-name>
<url-pattern>/servlet1</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>servlet2</servlet-name>
<servlet-class>SecondServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>servlet2</servlet-name>
<url-pattern>/servlet2</url-pattern>
</servlet-mapping>
</web-app>
26 | P a g e
OUTPUT
1st Page:
2nd Page:
27 | P a g e
3rd Page:
28 | P a g e
Program 2: URL Re-Writing
Index.html
<form action="servlet1">
Name:<input type="text" name="userName"/><br/>
<input type="submit" value="go"/>
</form>
FirstServlet.java
import java.io.*; import
javax.servlet.*; import
javax.servlet.http.*;
public class FirstServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response){
try{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String n=request.getParameter("userName");
out.print("Welcome "+n);
//appending the username in the query string
out.print("<a href='servlet2?uname="+n+"'>visit</a>");
out.close();
}catch(Exception e){System.out.println(e);}
}
}
SecondServlet.java
import java.io.*; import
javax.servlet.*; import
javax.servlet.http.*;
public class SecondServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
try{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
//getting value from the query string
String n=request.getParameter("uname");
out.print("Hello "+n);
out.close();
}catch(Exception e){System.out.println(e);}
}
}
29 | P a g e
Web.xml
<web-app>
<servlet>
<servlet-name>servlet1</servlet-name>
<servlet-class>FirstServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>servlet1</servlet-name>
<url-pattern>/servlet1</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>servlet2</servlet-name>
<servlet-class>SecondServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>servlet2</servlet-name>
<url-pattern>/servlet2</url-pattern>
</servlet-mapping>
</web-app>
30 | P a g e
OUTPUT
1st Page:
2nd Page:
31 | P a g e
3rd Page:
32 | P a g e
Program 3: Cookies
Index.html
<form action="servlet1">
Name:<input type="text" name="userName"/><br/>
<input type="submit" value="go"/>
</form>
FirstServlet.java
import java.io.*; import
javax.servlet.*; import
javax.servlet.http.*;
public class FirstServlet extends HttpServlet {
public void doPost(HttpServletRequest request, HttpServletResponse response){
try{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String n=request.getParameter("userName");
out.print("Welcome "+n);
Cookie ck=new Cookie("uname",n);//creating cookie object
response.addCookie(ck);//adding cookie in the response
//creating submit button
out.print("<form action='servlet2'>");
out.print("<input type='submit' value='go'>");
out.print("</form>");
out.close();
}catch(Exception e){System.out.println(e);}
}
}
SecondServlet.java
import java.io.*; import
javax.servlet.*; import
javax.servlet.http.*;
public class SecondServlet extends HttpServlet {
public void doPost(HttpServletRequest request, HttpServletResponse response){
try{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
Cookie ck[]=request.getCookies();
out.print("Hello "+ck[0].getValue());
out.close();
}catch(Exception e){System.out.println(e);}
}
}
33 | P a g e
Web.xml
<web-app>
<servlet>
<servlet-name>servlet1</servlet-name>
<servlet-class>FirstServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>servlet1</servlet-name>
<url-pattern>/servlet1</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>servlet2</servlet-name>
<servlet-class>SecondServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>servlet2</servlet-name>
<url-pattern>/servlet2</url-pattern>
</servlet-mapping>
</web-app>
34 | P a g e
OUTPUT
1st Page:
2nd Page:
35 | P a g e
3rd Page:
36 | P a g e
Program 4: HttpSession
Index.html
<form action="servlet1">
Name:<input type="text" name="userName"/><br/>
<input type="submit" value="go"/>
</form>
Index.html
<form action="servlet1">
Name:<input type="text" name="userName"/><br/>
<input type="submit" value="go"/>
</form>
FirstServlet.java
import java.io.*; import
javax.servlet.*; import
javax.servlet.http.*;
public class FirstServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response){
try{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String n=request.getParameter("userName");
out.print("Welcome "+n);
HttpSession session=request.getSession();
session.setAttribute("uname",n);
out.print("<a href='servlet2'>visit</a>");
out.close();
}catch(Exception e){System.out.println(e);}
}
}
SecondServlet.java
import java.io.*; import
javax.servlet.*; import
javax.servlet.http.*;
public class SecondServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
try{ response.setContentType("text/html");
PrintWriter out = response.getWriter();
HttpSession session=request.getSession(false);
String n=(String)session.getAttribute("uname");
out.print("Hello "+n);
37 | P a g e
out.close();
}catch(Exception e){System.out.println(e);}
}
}
Web.xml
<web-app>
<servlet>
<servlet-name>servlet1</servlet-name>
<servlet-class>FirstServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>servlet1</servlet-name>
<url-pattern>/servlet1</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>servlet2</servlet-name>
<servlet-class>SecondServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>servlet2</servlet-name>
<url-pattern>/servlet2</url-pattern>
</servlet-mapping>
</web-app>
38 | P a g e
OUTPUT
1st Page:
2nd Page:
39 | P a g e
3rd Page:
40 | P a g e
Program 5: User Authorization
First.html
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Servlet Login Example</title>
</head>
<body>
<h1>Login App using HttpSession</h1>
<a href="login.html">Login</a>|
<a href="LogoutServlet">Logout</a>|
<a href="ProfileServlet">Profile</a>
</body>
</html>
Link.html
<a href="login.html">Login</a> |
<a href="LogoutServlet">Logout</a> |
<a href="ProfileServlet">Profile</a>
<hr>
Login.html
<form action="LoginServlet" method="post"> Name:<input
type="text" name="name"><br> Password:<input
type="password" name="password"><br>
<input type="submit" value="login">
</form>
Login Servlet
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class LoginServlet extends HttpServlet {
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out=response.getWriter();
request.getRequestDispatcher("link.html").include(request, response);
41 | P a g e
String name=request.getParameter("name");
String password=request.getParameter("password");
if(password.equals("admin123")){
out.print("Welcome, "+name);
HttpSession session=request.getSession();
session.setAttribute("name",name);
}
else{
out.print("Sorry, username or password error!");
request.getRequestDispatcher("login.html").include(request, response);
}
out.close();
} }
Logout Servlet
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class LogoutServlet extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html"); PrintWriter
out=response.getWriter();
request.getRequestDispatcher("link.html").include(request, response);
HttpSession session=request.getSession();
session.invalidate();
out.print("You are successfully logged out!");
out.close();
}
}
Profile Servlet
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class ProfileServlet extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
42 | P a g e
response.setContentType("text/html"); PrintWriter
out=response.getWriter();
request.getRequestDispatcher("link.html").include(request, response);
HttpSession session=request.getSession(false);
if(session!=null){
String name=(String)session.getAttribute("name");
out.print("Hello, "+name+" Welcome to Profile");
}
else{
out.print("Please login first");
request.getRequestDispatcher("login.html").include(request, response);
}
out.close();
}
}
43 | P a g e
OUTPUT
Start Page:
Login Page:
44 | P a g e
Profile Page:
Logout Page:
45 | P a g e
JSP
Program 1: Forward Action Tag
Index.jsp
<html>
<body>
<h2>this is index page</h2>
<jsp:forward page="printdate.jsp" >
<jsp:param name="name" value="Test Kumar"/>
</jsp:forward>
</body>
</html>
Printdate.jsp
<html>
<body>
<% out.print("Today is:"+java.util.Calendar.getInstance().getTime()); %>
parameter name is: <%=request.getParameter("name") %>
</body>
</html>
46 | P a g e
OUTPUT
47 | P a g e
Program 1: Include Action Tag
Index.jsp
<html>
<body>
<h2>this is index page</h2>
<jsp:include page="printdate.jsp" />
<h2>this is end of index page</h2>
</body>
</html>
Printdate.jsp
<html>
<body>
<% out.print("Today is:"+java.util.Calendar.getInstance().getTime()); %>
parameter name is: <%=request.getParameter("name") %>
</body>
</html>
48 | P a g e
OUTPUT
49 | P a g e
Program 3: useBean Tag
Calculator.java
package com.javatpoint;
public class Calculator{
public int cube(int n){return n*n*n;}
}
Index.java
<jsp:useBean id="obj" class="com.javatpoint.Calculator"/>
<%
int m=obj.cube(5);
out.print("cube of 5 is "+m);
%>
50 | P a g e
OUTPUT
51 | P a g e
Program 4: setProperty & getProperty Tag
Index.html
<form action="process.jsp" method="post"> Name:<input
type="text" name="name"><br> Password:<input
type="password" name="password"><br> Email:<input
type="text" name="email"><br>
<input type="submit" value="register">
</form>
Process.jsp
<jsp:useBean id="u" class="org.sssit.User"></jsp:useBean>
<jsp:setProperty property="*" name="u"/>
Record:<br>
<jsp:getProperty property="name" name="u"/><br>
<jsp:getProperty property="password" name="u"/><br>
<jsp:getProperty property="email" name="u" /><br>
User.java
package org.sssit;
public class User {
private String name,password,email;
//setters and getters
}
52 | P a g e
OUTPUT
1st Page:
2nd Page:
53 | P a g e
Advanced JAVA Lab
EJB
Program 1: Stateless session bean
Bean class
package com.hubberspot.session.stateless;
import javax.ejb.Stateless;
import javax.ejb.LocalBean;
@Stateless
@LocalBean
public class NewSessionBean {
public int Add(int a,int b)
{
return(a+b);
}
public int Sub(int a,int b)
{
return(a-b);
}
public int Mul(int a,int b)
{
return(a*b);
}
public int Div(int a,int b)
{
return(a/b);
}}
Calculator Servlet
package com.hubbersport.calculator;
import com.hubberspot.session.stateless.NewSessionBean;
import java.io.IOException;
import java.io.PrintWriter;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet(name = "Calculator", urlPatterns = {"/Calculator"})
public class Calculator extends HttpServlet {
@EJB
private NewSessionBean cal;
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
int a=Integer.parseInt(request.getParameter("number1"));
int b=Integer.parseInt(request.getParameter("number2"));
54 | P a g e
Advanced JAVA Lab
try (PrintWriter out = response.getWriter()) {
out.println("<!DOCTYPE html>");
out.println("<html>");
out.println("<head>");
out.println("<title>Calculator</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>SUM=" + cal.Add(a,b) + "</h1>");
out.println("<h1>Difference=" + cal.Add(a,b) + "</h1>");
out.println("<h1>Multiplication=" + cal.Add(a,b) + "</h1>");
out.println("<h1>Division=" + cal.Add(a,b) + "</h1>");
out.println("Click <a href='index.html'>here</a> to go back ");
out.println("</body>");
out.println("</html>");
}
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
@Override
public String getServletInfo() {
return "Short description";
}
}
55 | P a g e
Advanced JAVA Lab
OUTPUT
56 | P a g e
Advanced JAVA Lab
Program 2: Statefull Session Bean
Interface
import javax.ejb.Remote;
@Remote
public interface Calculator {
public int Add(int a,int b);
public int Sub(int a,int b);
public int Mul(int a,int b);
public int Div(int a,int b);
}
Class implementing the interface
import javax.ejb.Stateful;
@Stateful
public class StatefulSessionBean implements Calculator {
@Override
public int Add(int a, int b) {
return(a+a);
}
@Override
public int Sub(int a, int b) {
return(a-a);
}
@Override
public int Mul(int a, int b) {
return(a*a);
}
@Override
public int Div(int a, int b) {
return(a/a);
}
}
Servlet
import java.io.IOException;
import java.io.PrintWriter;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet(name = "Cal", urlPatterns = {"/Cal"})
public class Cal extends HttpServlet {
@EJB
57 | P a g e
Advanced JAVA Lab
private StatefulSessionBean cal1;
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
int a=Integer.parseInt(request.getParameter("number1"));
int b=Integer.parseInt(request.getParameter("number2"));
try (PrintWriter out = response.getWriter()) {
out.println("<!DOCTYPE html>");
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet Cal</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>SUM=" + cal1.Add(a,b) + "</h1>");
out.println("<h1>Difference=" + cal1.Add(a,b) + "</h1>");
out.println("<h1>Multiplication=" + cal1.Add(a,b) + "</h1>");
out.println("<h1>Division=" + cal1.Add(a,b) + "</h1>");
out.println("Click <a href='index.html'>here</a> to go back ");
out.println("</body>");
out.println("</html>");
}
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
@Override
public String getServletInfo() {
return "Short description";
}
58 | P a g e
Advanced JAVA Lab
Output
59 | P a g e
Advanced JAVA Lab
Program 3: Message driven bean
MessageBean.java
package com.message;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ejb.ActivationConfigProperty;
import javax.ejb.MessageDriven;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.TextMessage;
@MessageDriven(mappedName = "jms/dest", activationConfig = {
@ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Queue")
})
public class NewMessageBean implements MessageListener {
public NewMessageBean() {
}
@Override
public void onMessage(Message message) {
TextMessage tmsg=null;
tmsg=(TextMessage)message;
try {
System.out.println(tmsg.getText());
} catch (JMSException ex) {
Logger.getLogger(NewMessageBean.class.getName()).log(Level.SEVERE, null, ex);
}
} }
Index.jsp
<html>
<head>
<title>Calculator</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<form method="POST" action="/Calculator">
<table>
<tr>
<td>Enter the 1st number</td>
<td><input type="TEXT" name="number1" id="number1"/></td>
</tr>
<tr>
<td>Enter the 2nd number</td>
<td><input type="TEXT" name="number2" id="number2"/></td>
</tr>
<tr>
60 | P a g e
Advanced JAVA Lab
<td><input type="submit" value="sub"/></td>
</tr>
</table>
</form>
</body>
</html>
Servlet
package com.message; import
java.io.IOException; import
java.io.PrintWriter; import
java.util.logging.Level; import
java.util.logging.Logger;
import javax.annotation.Resource;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet(name = "NewServlet", urlPatterns = {"/NewServlet"})
public class NewServlet extends HttpServlet {
@Resource(mappedName = "jms/dest")
private Queue dest;
@Resource(mappedName = "jms/queue")
private ConnectionFactory queue;
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
String str=request.getParameter("msg");
try {
sendJMSMessageToDest(str);
} catch (JMSException ex) {
Logger.getLogger(NewServlet.class.getName()).log(Level.SEVERE, null, ex);
}
try (PrintWriter out = response.getWriter()) {
out.println("<!DOCTYPE html>");
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet NewServlet</title>");
out.println("</head>");
out.println("<body>");
61 | P a g e
Advanced JAVA Lab
out.println("<h1>Your message" + str + "has been send to the server</h1>");
out.println("</body>");
out.println("</html>");
}
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to
edit the code.">
/**
* Handles the HTTP <code>GET</code> method.
* * @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Handles the HTTP <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/**
* Returns a short description of the servlet.
*
* @return a String containing servlet description
*/
@Override
public String getServletInfo() {
return "Short description";
}// </editor-fold>
private Message createJMSMessageForjmsDest(Session session, Object messageData) throws
JMSException {
// TODO create and populate message to send
TextMessage tm = session.createTextMessage();
tm.setText(messageData.toString());
return tm;
}
private void sendJMSMessageToDest(Object messageData) throws JMSException {
Connection connection = null;
62 | P a g e
Advanced JAVA Lab
Session session = null;
try {
connection = queue.createConnection();
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer messageProducer = session.createProducer(dest);
messageProducer.send(createJMSMessageForjmsDest(session, messageData));
} finally {
if (session != null) {
try {
session.close();
} catch (JMSException e) {
Logger.getLogger(this.getClass().getName()).log(Level.WARNING, "Cannot close session",
e);
}
}
if (connection != null) {
connection.close();
}
}
}
}
63 | P a g e
Advanced JAVA Lab
Output
64 | P a g e
Advanced JAVA Lab
Program 4: Entity Session Bean
NewEntityBean.java
package SampleBean;
import java.rmi.RemoteException;
import javax.ejb.EJBException;
import javax.ejb.EntityBean;
import javax.ejb.EntityContext;
import javax.ejb.RemoveException;
import javax.persistence.Column;
import javax.persistence.Id;
import javax.persistence.TableGenerator;
public class NewEntityBean implements EntityBean{
// Add business logic below. (Right-click in editor and choose
// "Insert Code > Add Business Method")
@Id
@TableGenerator(name = "")
@Column()
Integer key;
public Integer getID(){
return key;
}
public Integer doCalculation(int a,int b){
return a+b;
}
public NewEntityBean(){
}
@Override
public void setEntityContext(EntityContext ctx) throws EJBException, RemoteException {
}
@Override
public void unsetEntityContext() throws EJBException, RemoteException {
}
@Override
public void ejbRemove() throws RemoveException, EJBException, RemoteException {
}
@Override
public void ejbActivate() throws EJBException, RemoteException {
}
@Override
public void ejbPassivate() throws EJBException, RemoteException {
}
@Override
public void ejbLoad() throws EJBException, RemoteException {
}
@Override
public void ejbStore() throws EJBException, RemoteException {
}}
65 | P a g e
Advanced JAVA Lab
HomeInterface.java
package SampleBean;
import java.rmi.RemoteException;
import javax.ejb.CreateException;
import javax.ejb.EJBHome;
public interface HomeInterface extends EJBHome{
public NewEntityBean create() throws CreateException,RemoteException;
}
ClientApplication.java
public class ClientApplication {
public static void main(String args[]) throws NamingException, CreateException, RemoteException{
Context initial =new InitialContext();
Context environment=(Context)initial.lookup("java:comp/env");
HomeInterface home=(HomeInterface)initial.lookup("NewEntityBean");
NewEntityBean bean= home.create();
System.out.println(bean.doCalculation(4,5));
}
}
66 | P a g e
Advanced JAVA Lab
Output
67 | P a g e
Advanced JAVA LAB
STRUTS
Create Action Class:
package com.tutorialspoint.struts2;
public class HelloWorldAction{
private String name;
public String execute() throws Exception {
return "success";
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
Create a View
<%@ page contentType="text/html; charset=UTF-8" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<title>Hello World</title>
</head>
<body>
Hello World, <s:property value="name"/>
</body>
</html>
Create main page:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Hello World</title>
</head>
<body>
<h1>Hello World From Struts2</h1>
<form action="hello">
<label for="name">Please enter your name</label><br/>
68 | P a g e
Advanced JAVA LAB
<input type="text" name="name"/>
<input type="submit" value="Say Hello"/>
</form>
</body>
</html>
struts.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<constant name="struts.devMode" value="true" />
<package name="helloworld" extends="struts-default">
<action name="hello"
class="com.tutorialspoint.struts2.HelloWorldAction"
method="execute">
<result name="success">/HelloWorld.jsp</result>
</action>
</package>
</struts>
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
id="WebApp_ID" version="3.0">
<display-name>Struts 2</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.FilterDispatcher
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
69 | P a g e
Advanced JAVA LAB
OUTPUT
70 | P a g e
Advanced JAVA LAB
ANDROID DATABASE CONNECTIVITY
MainActivity.java.
package com.example.addressbook;
import java.util.ArrayList;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
public class MainActivity extends Activity {
public final static String EXTRA_MESSAGE = "com.example.AddressBook.MESSAGE";
private ListView obj;
DBHelper mydb;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mydb = new DBHelper(this);
ArrayList array_list = mydb.getAllCotacts();
ArrayAdapter arrayAdapter =
new ArrayAdapter(this,android.R.layout.simple_list_item_1, array_list);
//adding it to the list view.
obj = (ListView)findViewById(R.id.listView1);
obj.setAdapter(arrayAdapter);
obj.setOnItemClickListener(new OnItemClickListener(){
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
// TODO Auto-generated method stub
int id_To_Search = arg2 + 1;
Bundle dataBundle = new Bundle();
dataBundle.putInt("id", id_To_Search);
Intent intent = new
Intent(getApplicationContext(),com.example.addressbook.DisplayContact.class);
intent.putExtras(dataBundle);
startActivity(intent);
}
71 | P a g e
Advanced JAVA LAB
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.mainmenu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item)
{
super.onOptionsItemSelected(item);
switch(item.getItemId())
{
case R.id.item1:
Bundle dataBundle = new Bundle();
dataBundle.putInt("id", 0);
Intent intent = new
Intent(getApplicationContext(),com.example.addressbook.DisplayContact.class);
intent.putExtras(dataBundle);
startActivity(intent);
return true;
default:
return super.onOptionsItemSelected(item);
}
}
public boolean onKeyDown(int keycode, KeyEvent event) {
if (keycode == KeyEvent.KEYCODE_BACK) {
moveTaskToBack(true);
}
return super.onKeyDown(keycode, event);
}
}
src/com.example.addressbook/DisplayContact.java
package com.example.addressbook;
import android.os.Bundle;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
72 | P a g e
Advanced JAVA LAB
import android.widget.TextView;
import android.widget.Toast;
public class DisplayContact extends Activity {
int from_Where_I_Am_Coming = 0;
private DBHelper mydb ;
TextView name ;
TextView phone;
TextView email;
TextView street;
TextView place;
int id_To_Update = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_display_contact);
name = (TextView) findViewById(R.id.editTextName);
phone = (TextView) findViewById(R.id.editTextPhone);
email = (TextView) findViewById(R.id.editTextStreet);
street = (TextView) findViewById(R.id.editTextEmail);
place = (TextView) findViewById(R.id.editTextCity);
mydb = new DBHelper(this);
Bundle extras = getIntent().getExtras();
if(extras !=null)
{
int Value = extras.getInt("id");
if(Value>0){
//means this is the view part not the add contact part.
Cursor rs = mydb.getData(Value);
id_To_Update = Value;
rs.moveToFirst();
String nam = rs.getString(rs.getColumnIndex(DBHelper.CONTACTS_COLUMN_NAME));
String phon = rs.getString(rs.getColumnIndex(DBHelper.CONTACTS_COLUMN_PHONE));
String emai = rs.getString(rs.getColumnIndex(DBHelper.CONTACTS_COLUMN_EMAIL));
String stree = rs.getString(rs.getColumnIndex(DBHelper.CONTACTS_COLUMN_STREET));
String plac = rs.getString(rs.getColumnIndex(DBHelper.CONTACTS_COLUMN_CITY));
if (!rs.isClosed())
{
rs.close();
}
Button b = (Button)findViewById(R.id.button1);
b.setVisibility(View.INVISIBLE);
name.setText((CharSequence)nam);
name.setFocusable(false);
name.setClickable(false);
phone.setText((CharSequence)phon);
73 | P a g e
Advanced JAVA LAB
phone.setFocusable(false);
phone.setClickable(false);
email.setText((CharSequence)emai);
email.setFocusable(false);
email.setClickable(false);
street.setText((CharSequence)stree);
street.setFocusable(false);
street.setClickable(false);
place.setText((CharSequence)plac);
place.setFocusable(false);
place.setClickable(false);
}
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
Bundle extras = getIntent().getExtras();
if(extras !=null)
{
int Value = extras.getInt("id");
if(Value>0){
getMenuInflater().inflate(R.menu.display_contact, menu);
}
else{
getMenuInflater().inflate(R.menu.main, menu);
}
}
return true;
}
public boolean onOptionsItemSelected(MenuItem item)
{
super.onOptionsItemSelected(item);
switch(item.getItemId())
{
case R.id.Edit_Contact:
Button b = (Button)findViewById(R.id.button1);
b.setVisibility(View.VISIBLE);
name.setEnabled(true);
name.setFocusableInTouchMode(true);
name.setClickable(true);
phone.setEnabled(true);
phone.setFocusableInTouchMode(true);
phone.setClickable(true);
74 | P a g e
Advanced JAVA LAB
email.setEnabled(true);
email.setFocusableInTouchMode(true);
email.setClickable(true);
street.setEnabled(true);
street.setFocusableInTouchMode(true);
street.setClickable(true);
place.setEnabled(true);
place.setFocusableInTouchMode(true);
place.setClickable(true);
return true;
case R.id.Delete_Contact:
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage(R.string.deleteContact)
.setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
mydb.deleteContact(id_To_Update);
Toast.makeText(getApplicationContext(), "Deleted Successfully",
Toast.LENGTH_SHORT).show();
Intent intent = new
Intent(getApplicationContext(),com.example.addressbook.MainActivity.class);
startActivity(intent);
}
})
.setNegativeButton(R.string.no, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
// User cancelled the dialog
}
});
AlertDialog d = builder.create();
d.setTitle("Are you sure");
d.show();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
public void run(View view)
{
Bundle extras = getIntent().getExtras();
75 | P a g e
Advanced JAVA LAB
if(extras !=null)
{
int Value = extras.getInt("id");
if(Value>0){
if(mydb.updateContact(id_To_Update,name.getText().toString(), phone.getText().toString(),
email.getText().toString(), street.getText().toString(), place.getText().toString())){
Toast.makeText(getApplicationContext(), "Updated", Toast.LENGTH_SHORT).show();
Intent intent = new
Intent(getApplicationContext(),com.example.addressbook.MainActivity.class);
startActivity(intent);
}
else{
Toast.makeText(getApplicationContext(), "not Updated", Toast.LENGTH_SHORT).show();
}
}
else{
if(mydb.insertContact(name.getText().toString(), phone.getText().toString(),
email.getText().toString(), street.getText().toString(), place.getText().toString())){
Toast.makeText(getApplicationContext(), "done", Toast.LENGTH_SHORT).show();
}
else{
Toast.makeText(getApplicationContext(), "not done", Toast.LENGTH_SHORT).show();
}
Intent intent = new
Intent(getApplicationContext(),com.example.addressbook.MainActivity.class);
startActivity(intent);
}
}
}
}
src/com.example.addressbook/DBHelper.java
package com.example.addressbook;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Hashtable;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.DatabaseUtils;
import android.database.sqlite.SQLiteOpenHelper;
import android.database.sqlite.SQLiteDatabase;
public class DBHelper extends SQLiteOpenHelper {
76 | P a g e
Advanced JAVA LAB
public static final String DATABASE_NAME = "MyDBName.db";
public static final String CONTACTS_TABLE_NAME = "contacts";
public static final String CONTACTS_COLUMN_ID = "id";
public static final String CONTACTS_COLUMN_NAME = "name";
public static final String CONTACTS_COLUMN_EMAIL = "email";
public static final String CONTACTS_COLUMN_STREET = "street";
public static final String CONTACTS_COLUMN_CITY = "place";
public static final String CONTACTS_COLUMN_PHONE = "phone";
private HashMap hp;
public DBHelper(Context context)
{
super(context, DATABASE_NAME , null, 1);
}
@Override
public void onCreate(SQLiteDatabase db) {
// TODO Auto-generated method stub
db.execSQL(
"create table contacts " +
"(id integer primary key, name text,phone text,email text, street text,place text)"
);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
// TODO Auto-generated method stub
db.execSQL("DROP TABLE IF EXISTS contacts");
onCreate(db);
}
public boolean insertContact (String name, String phone, String email, String street,String place)
{
SQLiteDatabase db = this.getWritableDatabase();
ContentValues contentValues = new ContentValues();
contentValues.put("name", name);
contentValues.put("phone", phone);
contentValues.put("email", email);
contentValues.put("street", street);
contentValues.put("place", place);
db.insert("contacts", null, contentValues);
return true;
}
77 | P a g e
Advanced JAVA LAB
public Cursor getData(int id){
SQLiteDatabase db = this.getReadableDatabase();
Cursor res = db.rawQuery( "select * from contacts where id="+id+"", null );
return res;
}
public int numberOfRows(){
SQLiteDatabase db = this.getReadableDatabase();
int numRows = (int) DatabaseUtils.queryNumEntries(db, CONTACTS_TABLE_NAME);
return numRows;
}
public boolean updateContact (Integer id, String name, String phone, String email, String street,String
place)
{
SQLiteDatabase db = this.getWritableDatabase();
ContentValues contentValues = new ContentValues();
contentValues.put("name", name);
contentValues.put("phone", phone);
contentValues.put("email", email);
contentValues.put("street", street);
contentValues.put("place", place);
db.update("contacts", contentValues, "id = ? ", new String[] { Integer.toString(id) } );
return true;
}
public Integer deleteContact (Integer id)
{
SQLiteDatabase db = this.getWritableDatabase();
return db.delete("contacts",
"id = ? ",
new String[] { Integer.toString(id) });
}
public ArrayList getAllCotacts()
{
ArrayList array_list = new ArrayList();
//hp = new HashMap();
SQLiteDatabase db = this.getReadableDatabase();
Cursor res = db.rawQuery( "select * from contacts", null );
res.moveToFirst(); while(res.isAfterLast() == false){
array_list.add(res.getString(res.getColumnIndex(CONTACTS_COLUMN_NAME)));
res.moveToNext();
}
return array_list;
}
}
res/layout/activity_main.xml
78 | P a g e
Advanced JAVA LAB
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<ListView android:id="@+id/listView1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true" >
</ListView>
</RelativeLayout>
res/layout/activity_display_contact.xml
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/scrollView1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
tools:context=".DisplayContact" >
<RelativeLayout android:layout_width="match_parent"
android:layout_height="370dp"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
>
<EditText
android:id="@+id/editTextName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_marginTop="5dp"
android:layout_marginLeft="82dp"
79 | P a g e
Advanced JAVA LAB
android:ems="10"
android:inputType="text" >
</EditText>
<EditText android:id="@+id/editTextEmail"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editTextStreet"
android:layout_below="@+id/editTextStreet"
android:layout_marginTop="22dp"
android:ems="10"
android:inputType="textEmailAddress" />
<TextView android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/editTextName"
android:layout_alignParentLeft="true"
android:text="@string/name"
android:textAppearance="?android:attr/textAppearanceMedium" />
<Button android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editTextCity"
android:layout_alignParentBottom="true"
android:layout_marginBottom="28dp"
android:onClick="run"
android:text="@string/save" />
<TextView android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/editTextEmail"
android:layout_alignLeft="@+id/textView1"
android:text="@string/email"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView android:id="@+id/textView5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/editTextPhone"
80 | P a g e
Advanced JAVA LAB
android:layout_alignLeft="@+id/textView1"
android:text="@string/phone"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView android:id="@+id/textView4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/editTextEmail"
android:layout_alignLeft="@+id/textView5"
android:text="@string/street"
android:textAppearance="?android:attr/textAppearanceMedium" />
<EditText android:id="@+id/editTextCity"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignRight="@+id/editTextName"
android:layout_below="@+id/editTextEmail"
android:layout_marginTop="30dp"
android:ems="10"
android:inputType="text" />
<TextView android:id="@+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBaseline="@+id/editTextCity"
android:layout_alignBottom="@+id/editTextCity"
android:layout_alignParentLeft="true"
android:layout_toLeftOf="@+id/editTextEmail"
android:text="@string/country"
android:textAppearance="?android:attr/textAppearanceMedium" />
<EditText android:id="@+id/editTextStreet"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editTextName"
android:layout_below="@+id/editTextPhone"
android:ems="10"
android:inputType="text" >
<requestFocus />
</EditText>
<EditText
81 | P a g e
Advanced JAVA LAB
android:id="@+id/editTextPhone"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editTextStreet"
android:layout_below="@+id/editTextName"
android:ems="10"
android:inputType="phone|text" />
</RelativeLayout>
</ScrollView>
res/value/string.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">Address Book</string>
<string name="action_settings">Settings</string>
<string name="hello_world">Hello world!</string>
<string name="Add_New">Add New</string>
<string name="edit">Edit Contact</string>
<string name="delete">Delete Contact</string>
<string name="title_activity_display_contact">DisplayContact</string>
<string name="name">Name</string>
<string name="phone">Phone</string>
<string name="email">Email</string>
<string name="street">Street</string>
<string name="country">City/State/Zip</string>
<string name="save">Save Contact</string>
<string name="deleteContact">Are you sure, you want to delete it.</string>
<string name="yes">Yes</string>
<string name="no">No</string>
</resources>
res/menu/mainmenu.xml
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android" >
<item android:id="@+id/item1"
android:icon="@drawable/add"
android:title="@string/Add_New"
android:showAsAction="ifRoom|withText">
</item>
82 | P a g e
Advanced JAVA LAB
</menu>
Following is the content of the res/menu/display_contact.xml
<menu xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:id="@+id/Edit_Contact"
android:orderInCategory="100"
android:title="@string/edit"/>
<item
android:id="@+id/Delete_Contact"
android:orderInCategory="100"
android:title="@string/delete"/>
</menu>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.addressbook"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<application android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.addressbook.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="com.example.addressbook.DisplayContact"
android:label="@string/title_activity_display_contact" >
</activity>
</application>
</manifest>
83 | P a g e
Advanced JAVA LAB
OUTPUT
84 | P a g e
Advanced JAVA LAB
85 | P a g e
Advanced JAVA LAB
86 | P a g e