public static void main(String[] args) { Thread1 thread1 = new Thread1(); Thread2 thread2 = new Thread2(); thread1.start(); thread2.start(); }
public static void main(String[] args) { Runtime.getRuntime().addShutdownHook(new Thread3()); Thread1 t1 = new Thread1(); t1.start(); Thread2 t2 = new Thread2(); t2.start(); }