17.IsAliveJoin

class A extends Thread
{
    public void run()
    {
        int i;
        for(i=0;i<10;i=i+2)
        {
            System.out.println(i);
        }
    }
}
class B extends Thread
{
    public void run()
    {
        int i;
        for(i=1;i<10;i=i+2)
        {
            System.out.println(i);
        }
    }
}
class isalive
{
    public static void main(String args[]) throws InterruptedException
    {
        A a = new A();
        B b = new B();
        a.start();
        System.out.println("Thread  A is alive :"+a.isAlive());
        b.start();
        System.out.println("Thread  B is alive :"+b.isAlive());
        a.join();
        b.join();
        System.out.println("Thread  A is alive :"+a.isAlive());
        System.out.println("Thread  B  is alive :"+b.isAlive());
    }
}