synchronization

class PrintTable{ 
//synchronized method.
    public synchronized void printTable(int n){
       System.out.println("Table of " + n);
       for(int i=1;i<=10;i++){
           System.out.println(n*i);
           try{
        Thread.sleep(500);
           }catch(Exception e){
        System.out.println(e);
           }
        }     
    }
}

class MyThread1 extends Thread{
    PrintTable pt;
    MyThread1(PrintTable pt){
    this.pt=pt;
    }
    public void run(){
    pt.printTable(2);
    }     
}

class MyThread2 extends Thread{
PrintTable pt;
MyThread2(PrintTable pt){
this.pt=pt;
}
public void run(){
pt.printTable(5);
}
}

public class p1{
    public static void main(String args[]){
    //creating PrintTable object.
    PrintTable obj = new PrintTable();

    //creating threads.
    MyThread1 t1=new MyThread1(obj);
    MyThread2 t2=new MyThread2(obj);

    //start threads.
    t1.start();
    t2.start();
    }
}



C:\Users\Com science\Documents>java p1
Table of 2
2
4
6
8
10
12
14
16
18
20
Table of 5
5
10
15
20
25
30
35
40
45
50

C:\Users\Com science\Documents>