11 Thread

class A extends Thread{
    public void run(){
        for (int i=1 ; i<=5 ; i++){
            System.out.println("From Thread A :"+i);
        }
        System.out.println("exit from A");
    }
}
class B extends Thread{
    public void run(){
        for(int j=1 ; j<=5 ; j++){
            System.out.println("From Thread B :"+j);
        }
        System.out.println("exit from B");
    }
}
class C extends Thread{
    public void run(){
        for (int k=1 ; k<=5 ; k++){
            System.out.println("From Thread C :"+k);
        }
        System.out.println("exit from C");
    }
}
class Main extends Thread {
    public static void main(String args[]){
        A a = new A();
        B b = new B();
        C c = new C();
        a.start();
        b.start();
        c.start();
    }
}
// output
java -cp /tmp/gU6dzE7VS5 Main
From Thread B :1
From Thread B :2
From Thread B :3
From Thread B :4
From Thread B :5
exit from B
From Thread A :1
From Thread A :2
From Thread A :3
From Thread A :4
From Thread A :5
exit from A
From Thread C :1
From Thread C :2
From Thread C :3
From Thread C :4
From Thread C :5
exit from C