This program shows the execution of ExecutorService class.

Executor-Thread-Pool.java

class Threads {
 	public static void main(String[] args) {
 		ExecutorService service = Executors.newFixedThreadPool(2);
 		for(int count = 0; count < 10; count++){
 			service.execute(()->{
 				System.out.println("Child Thread" + Thread.currentThread().getName());
 			});
 		}
 		service.shutdown();
 		System.out.println("|Main Thread|");
 	}
 }