Java Programming
Name:__________________________________________________Subject:______________________
Yr&Section:__________________________________Course:__________________________________
1.The following program briefly demonstrates all three types of option panes:
// Shows several JOptionPane windows on the screen.
import javax.swing.*;
import javax.swing.JOptionPane;
public class BSIT1Y_JOptionPane {
private static int choice;
public static void main(String[] args) {
JOptionPane.showMessageDialog(null," Wellcome to GUI JOptionPane");
// Input Dialog box
String name = JOptionPane.showInputDialog(null, "What is your name?");
String section = JOptionPane.showInputDialog(null, "What is your section?");
//Display the inoutted information
int choice = JOptionPane.showConfirmDialog(null, "Do you like programming, ");
if (choice == JOptionPane.YES_OPTION){
JOptionPane.showMessageDialog(null, "I am " + name + " - " + section + " and
I like programming");
}
else if(choice == JOptionPane.NO_OPTION){
JOptionPane.showMessageDialog(null, "I am " + name + " - " + section + " and I
Dont like programming");
}
else{
JOptionPane.showMessageDialog(null," Cancelled ");
}
}
}
Java Programming
Program and Output
2.
// Uses JOptionPane windows for numeric input.
import javax.swing.*; // for GUI components
public class UseOptionPanes2 {
public static void main(String[] args) {
String ageText = JOptionPane.showInputDialog(null,
"How old are you?");
int age = Integer.parseInt(ageText);
String moneyText = JOptionPane.showInputDialog(null,
"How much money do you have?");
double money = Double.parseDouble(moneyText);
JOptionPane.showMessageDialog(null,
"If you can double your money each year,\n" +
"You'll have " + (money * 32) +
"dollars at age " + (age + 5) + "!");
}
}
Program and Output
3.
// Sets several properties of a window frame.
import java.awt.*; // for Dimension
Java Programming
import javax.swing.*; // for GUI components
public class SimpleFrame2 {
public static void main(String[] args) {
JFrame frame = new JFrame();
frame.setForeground(Color.WHITE);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLocation(new Point(10, 50));
frame.setSize(new Dimension(300, 120));
frame.setTitle("A frame");
frame.setVisible(true);
}
}
Program and Output
4.
// Creates a frame containing two buttons.
Java Programming
import java.awt.Color;
import java.awt.Dimension;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.*;
/**
*
* @author Rodel
*/
public class BSIT1Y_JFRAME {
public static void main (String [] args){
JFrame frame = new JFrame();
frame.setSize(600,600);
frame.setTitle("first frame");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setBackground(Color.BLUE);
frame.setLayout(null);
frame.setVisible(true);
JLabel label = new JLabel("LABEL");
label.setBounds(50,50,50,50);
frame.add(label);
// button component
JButton button = new JButton("click button");
button.setSize(100,200);
button.setBounds(200,100,100,100);
button.setForeground(Color.LIGHT_GRAY);
button.setBackground(Color.yellow);
frame.add(button);
JButton button1 = new JButton("click button 1");
button1.setSize(100,200);
button1.setBounds(100,100,100,100);
button1.setForeground(Color.yellow);
button.setBackground(Color.GREEN);
frame.add(button1);
JPanel panel = new JPanel();
panel.setSize(400,400);
panel.setBounds(100,50,300,200);
panel.setBackground(Color.MAGENTA);
Java Programming
frame.add(panel);
}
}
Program and Output