Operating System

public class CriticalSection {

private int totalMoney = 100000;
public CriticalSection(){

Withdraw w1 = new Withdraw();
w1.setName("Mohamed");
Withdraw w2 = new Withdraw();
w2.setName("Iman");
Diposite d1 = new Diposite();
d1.setName("Samir");
Withdraw w3 = new Withdraw();
w3.setName("Fahed");
Diposite d2 = new Diposite();
d2.setName("Jamal");
Diposite d3 = new Diposite();
d3.setName("Lona");

d2.start();
w1.start();
w2.start();
d3.start();
w3.start();
d1.start();



}
private class Withdraw extends Thread{
public void run(){
int process = 0;
while( process < 10 ){
Random r = new Random();
int amount = 1 + r.nextInt(2000);

widthdraw(amount,process);

process++;
}

}
synchronized void widthdraw(int amount,int process){
if( amount <= totalMoney ){
System.out.println("WITHDRAWING NO : "+process);
System.out.println("Before Withdrawing Amount : "+totalMoney+"$");
totalMoney -= amount;
System.out.println("withdrew "+amount+"$ by : " + getName() );
System.out.println("Total : " + totalMoney + "$");
System.out.println("****************************************");
}

else
System.out.println(getName() + "can't withdraw "+ amount);
}
}
private class Diposite extends Thread{
public void run(){
int process = 0;
while( process < 10 ){
Random r = new Random();
int amount = 1 + r.nextInt(5000);
diposite(amount,process);
process++;
}
}
synchronized void diposite(int amount,int process){
System.out.println("DIPOSITING NO : "+process);
System.out.println("Before Dipositing Amount : "+totalMoney+"$");
totalMoney += amount;
System.out.println(" diposite "+amount+"$ by : " + getName() );
System.out.println("Total : " + totalMoney + "$");
System.out.println("****************************************");
}
}
public static void main(String[]args){
new CriticalSection();
}
}

 import java.util.Random;