class C
{
    main()
    {
        (new T(...)).start();

        (new Thread() {
            public void run() { ... }
        }).start();

        (new Runnable() {
            public void run() { ... }
        }).start();

        Thread t = new Thread() {
            public void run() { ... }
        };

        System.out.println(t);
    }
}

class T extends Thread
{
    public void run() { ... }
}



class Wnd extends JFrame
{
    public Wnd()
    {
        JButton jb = new JButton();
        jb.addActionListener(new ActionListener() {
            public void actionPerformed(..)
            {
                .....
            }
        });
    }
}