public class MyClass extends Thread {
    public static void main(String[] args) {
        MyClass thread1 = new MyClass() {
            @Override
            public void run() {
                System.out.println("Task1");
            }
        };
        MyClass thread2 = new MyClass() {
            @Override
            public void run() {
                System.out.println("Task2");
            }
        };
        thread1.start();
        thread2.start();
    }
}