Timer

new Timer().schedule(new TimerTask() {

            @Override
            public void run()
            {
                System.out.println("==");
            }
        }, 2000, 3000);


new Timer().schedule(new TimerTask() {

            @Override
            public void run()
            {
                System.out.println("==");
                new Timer().schedule(new TimerTask() {

                    @Override
                    public void run()
                    {
                         System.out.println("￥￥￥￥");
                    }
                }, 2000);
            }
        }, 2000, 3000);