try catch

why following code gives compile time error.please reply.

class ThreadDemo1 extends Thread { public void run() { for(int i=1;i<=3;i++) { System.out.println(i); try { Thread.sleep(1000); } catch(InterruptException e) { System.out.println(e); } } } public static void main(String[]arg) { ThreadDemo1 t1=new ThreadDemo1(); t1.start(); } }

July 23, 2011 at 10:12 AM

class ThreadDemo1 extends Thread {
    public void run() {
        for(int i=1;i<=3;i++) { 
            System.out.println(i);
            try {
                Thread.sleep(1000);
                }
            catch(Exception e) {
                System.out.println(e); 
                }
            }
    }
    public static void main(String[]arg) {
    ThreadDemo1 t1=new ThreadDemo1();
    t1.start();
    }
}