)‫ שרית לולב‬,‫ דורית ליקרמן‬,‫הקבצים הנלווים למעבדות (אהובה שפרלינג‬
1) Array
import java.util.*;
//Dorit Lickerman 15.4.15
public class Test
{
public static void main(String[] args)
{
Scanner S1 = new Scanner(System.in);
System.out.println("enter Array Length");
int n=S1.nextInt();
Array A1 = new Array(n);
//int [] B1= new int [n];
A1.printArray();
//System.out.println("Array is sort by bubble Sort");
//A1.bubbleSort();
//System.out.println("Array is sort by placement Sort");
//A1.placementSort();
//B1= A1.sortByIndex();
//A1.printByIndex(B1);
//A1.printArray();
//A1.printArray();
//int num = A1.series();
//if (num != 0)
//
System.out.println
("the Array is sub-serise with length: "+ num);
//else
//
System.out.println("the Array is not sub-serise");
//A1.function1(18);
//A1.function2();
//A1.printArray();
}
}
import java.util.*;
public class Array
{
private int [] A;
public Array (int len)
{
this.A = new int [len];
Scanner S1 = new Scanner(System.in);
System.out.println("enter numbers to array");
for(int i=0;i<this.A.length;i++)
{
this.A[i]=S1.nextInt();
}
}
public int len()
{
return this.A.length;
}
public void bubbleSort()
{
System.out.println("Bubble Sort");
int temp;
for(int i=this.A.length-1;i>-1;i--)
{
for (int j=0;j<i;j++)
{
if (this.A[j]>this.A[j+1])
{
temp=this.A[j];
this.A[j]=this.A[j+1];
this.A[j+1]=temp;
}
}
}
}
public int indexOfCurrentMax(int index)
{
int max=A[0];
int pos=0;
for(int i=0;i<index+1;i++)
{
if (this.A[i]>max)
{
max=this.A[i];
pos=i;
}
}
return pos;
}
public void placementSort()
{
System.out.println("Placement Sort");
int temp;
int pos;
for (int i=this.A.length-1;i>-1;i--)
{
pos=this.indexOfCurrentMax(i);
temp=A[pos];
A[pos]=A[i];
A[i]=temp;
}
}
public int [] sortByIndex()
{
System.out.println("Sort by Index");
int [] B= new int [this.A.length];
for (int i=0;i<this.A.length;i++)
{
B[i]=i;
}
int temp;
for(int i=this.A.length-1;i>-1;i--)
{
for (int j=0;j<i;j++)
{
if (this.A[B[j]]>this.A[B[j+1]])
{
temp=B[j];
B[j]=B[j+1];
B[j+1]=temp;
}
}
}
return B;
}
public void printArray()
{
for(int i=0;i<this.A.length;i++)
{
System.out.print(this.A[i]+" ");
}
System.out.println();
}
public void printByIndex(int [] B)
{
for(int i=0;i<B.length;i++)
System.out.print(this.A[B[i]]+" ");
System.out.println();
}
//return the numbers of times that sub-series appear in the series
//for example: [3 4 1 8 3 4 1 8 3 4 1 8 ] -> 3
public int series()
{
boolean flag=true;
int len=1;
while ((A[0]!=A[len])&& (len<=this.A.length/2))
{
len++;
}
if ((this.A.length%len!=0) || (len== this.A.length))
{
flag=false;
}
else
{
int start=0;
int i=len;
while ((i<this.A.length)&&(A[start]==A[i])&&(flag))
{
start++;
i++;
}
if (i!=this.A.length)
flag=false;
}
if (flag)
{
for (int i=0;i<len;i++)
System.out.print(this.A[i]+" ");
System.out.println();
len= (this.A.length/len);
}
else
len=0;
return len;
}
//2 ‫ בוחן‬1 ‫תרגיל‬
public void function1(int M)
{
int [] B = new int [this.A.length];
int f = -1;
for (int i=0; i<this.A.length-1; i++)
{
for(int j=i+1; j<this.A.length ; j++)
{
if(M == this.A[i]*this.A[j])
{
f++;
B[f]=this.A[i];
B[f+1]=this.A[j];
f++;
}
}
}
if (f==0)
System.out.println("‫;)"התנאי לא מתקיים‬
else
for(int i=0; i<f+1; i++)
System.out.print(B[i]+" ");
}
//2 ‫ תרגיל‬2 ‫בוחן‬
public void function2()
{
int count=0;;
for (int i=0; i<this.A.length-1; i++)
{
for(int j=i+1; j<this.A.length ; j++)
{
if(this.A[i]>this.A[j])
{
count++;
}
}
A[i]=count;
count=0;
}
A[this.A.length-1]=0;
}
}
----------------------------------- end -------------------------------------2) Calendar
public class Test {
// Dorit Lickerman March 2015
public static void main(String[] args)
{
Calendar C1= new Calendar(5,2015);
C1.printCalander();
}
}
public class Month
{
private String name;
private int firstDay;
private int numOfDays;
public Month ()
{
this.name="January";
this.firstDay=1;
this.numOfDays=31;
}
public Month (int num, int day, int year)
{
this.name=this.monthName(num);
this.firstDay=day;
this.numOfDays=this.monthDays(num, year);
}
public String monthName (int num)
{
switch (num)
{
case 1:return"January";
case 2:return"February";
case 3:return"March";
case 4:return"April";
case 5:return"May";
case 6:return"June";
case 7:return"July";
case 8:return"August";
case 9:return"September";
case 10:return"October";
case 11:return"November";
default:return"December";
}
}
public int monthDays (int num,int year)
{
switch (num)
{
case 1:return 31;
case 2:
{
if (year%4==0 && year%100!=0 || year%400==0)
return 29;
else
return 28;
}
case 3:return 31;
case 4:return 30;
case 5:return 31;
case 6:return 30;
case 7:return 31;
case 8:return 31;
case 9:return 30;
case 10:return 31;
case 11:return 30;
default:return 31;
}
}
public int getFirstDay()
{
return this.firstDay;
}
public int getNumOfDays()
{
return this.numOfDays;
}
public void printMonth()
{
System.out.println(this.name);
System.out.println("S"+"\t"+"M"+"\t"+"T"+"\t"+"W"+"\t"+"T"+
"\t"+"F"+"\t"+"S");
for (int i=1;i<this.firstDay;i++)
{
System.out.print("\t");
}
for (int i=1;i<this.numOfDays+1;i++)
{
System.out.print(i);
if ((i+this.firstDay-1)%7==0)
{
System.out.print("\n");
}
else
System.out.print("\t");
}
System.out.print("\n");
}
}
public class Calendar
{
private int year ;
private Month [] M1;
public Calendar (int firstDay, int year)
{
this.year=year;
this.M1=new Month [12];
for (int i=0;i<this.M1.length;i++)
{
this.M1[i]= new Month(i+1,firstDay,year);
//this.M1[i].setMonth(i+1, firstDay , year);
firstDay= (firstDay-1+this.M1[i].getNumOfDays())%7+1 ;
}
}
public void printCalander()
{
for (int i=0; i<12;i++)
this.M1[i].printMonth();
}
}
----------------------------------- end -------------------------------------3) DieDemo
public class Die
{
private int num;
public Die ()
{
this.num = (int)(Math.random()*6+1);
}
public void roll ()
{
this.num = (int)(Math.random()*6+1);
}
public int getNum ()
{
return this.num ;
}
public String toString()
{
return "The number is :" + this.num;
}
}
public class DieDemo
{
public static void main(String[] args)
{
}
}
----------------------------------- end -------------------------------------4) Factory
public class Test
{
/**
* @param args
*/
public static void main(String[] args)
{
}
}
public class Worker
{
private String workerName; //‫שם העובד‬
private double numOfHours; //‫מספר שעות רגילות‬
private double numExtraHours;//‫מספר שעות נוספות‬
private double payPerHour; //‫שכר לשעה‬
public Worker( String name, double payPerH)
//‫ מקבלת מהמשתמש את שם העובד ושכר לשעה‬,‫פעולה בונה‬
{
this.workerName=name;
this.numOfHours=0;
this.numExtraHours=0;
this.payPerHour=payPerH;
}
public String getName( )//‫ שם העובד‬- ‫ מחזירה את ערך התכונה‬,‫פעולה מאחזרת‬
{
return this.workerName;
}
public void setHours(double hours)
//‫ משנה את ערך התכונה מספר שעות עבודה‬,‫פעולה מעדכנת‬
{
this.numOfHours=hours;
}
public String toString( )//‫ עובד‬- ‫ מחזירה מחרוזת המתארת את העצם‬,‫פעולה מאחזרת‬
{
return this.workerName + ":" + this.payPerHour;
}
}
----------------------------------- end of Factory -------------------------------------5) MyBucket
public class Test
{
/**
* Bucket problem 14.9.14
*/
public static void main(String[] args)
{
}
}
import unit4.bucketLib.Bucket;
public class MyBucket
{
private Bucket bucket;
private static int count=0;
public MyBucket(int capacity)
{
MyBucket.count++;
this.bucket=new Bucket(capacity,
"B"+MyBucket.count+":"+capacity+" Liters");
}
private Bucket getMyBucket()
{
return this.bucket;
}
public void empty()
{
this.bucket.empty();
}
public boolean isEmpty()
{
return this.bucket.isEmpty();
}
public void fill()
{
this.bucket.fill(this.bucket.getCapacity());
}
public double getCurrentAmount()
{
return this.bucket.getCurrentAmount();
}
public void pourInto(MyBucket bucketInto)
{
this.bucket.pourInto(bucketInto.getMyBucket());
}
public String toString()
{
return this.bucket.toString();
}
}
----------------------------------- end -------------------------------------6) RationalNumbers
public class RationalNumbers
{
public static void main(String[] args)
{
}
}
public class Rational
{
//attributes
private int numerator;
private int denominator;
//constructors
public Rational()
{
this.numerator=0;
this.denominator=1;
}
public Rational(int x,int y)
{
this.numerator=x;
this.denominator=y;
}
//return numerator
public int getNumerator()
{
return this.numerator;
}
//return denominator
public int getDenominator()
{
return this.denominator;
}
//update numerator
public void setNumerator(int x)
{
this.numerator=x;
}
//update denominator
public void setDenominator(int x)
{
this.denominator=x;
}
//return false if denominator is zero
public boolean isLeagal()
{
return this.denominator!=0;
}
//return true if denominator and numerator of both numbers are equals
public boolean isEqual(Rational num)
{
boolean fleg;
fleg=this.isLeagal();
if (fleg)
return
(this.getNumerator() == num.getNumerator() &&
this.getDenominator() == num.getDenominator());
else
return false;
}
//return the reduction of the rational number
public void reduction()
{
int num;
if (this.denominator>this.numerator)
num=this.denominator;
else num=this.numerator;
num=(int)Math.sqrt(num);
for (int i=num;i>1;i--)
if ((this.numerator%i==0)&&(this.denominator%i==0))
{
this.numerator=this.numerator/i;
this.denominator=this.denominator/i;
}
}
//return string that represents the rational number
public String toString()
{
String str = this.numerator + "/" + this.denominator;
return str;
}
}
----------------------------------- end -------------------------------------7) RectangleProject
public class Rectangle
{
private double length;
private double width;
public Rectangle(double length, double width)
{
this.length = length;
this.width = width;
}
public double getLength()
{
return this.length;
}
public double getWidth()
{
return this.width;
}
public boolean isSquare()
{
return this.width==this.length;
}
public double getDiagonal()
{
return Math.sqrt(this.length*this.length+this.width*this.width);
}
public void setLength(Double length)
{
this.length = length;
}
public void setWidth(Double width)
{
this.width = width;
}
public String toString()
{
return "Rectangle the Length is : " +
this.length + " the Width is : " +
this.width;
}
}
public class RectangleMain
{
public static void main(String[] args)
{
}
}
----------------------------------- end -------------------------------------8) TurtleDemo
import unit4.turtleLib.Turtle;
public class TurtleDemo
{
public static void main(String[] args)
{
}
}
----------------------------------- end --------------------------------------