FixedThreadPool.java

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class FixedThreadPool {

 public static void main(String[] args) {

 ExecutorService executorService = Executors.newFixedThreadPool(4);

 for(int i=0;i<7;i++){

 Thread thread =new Thread(()->{

 System.out.println(Thread.currentThread().getName());

 });

 thread.start();

 }

 for(int i=0;i<10;i++){

 Thread thread=new Thread(()->{

 System.out.println(Thread.currentThread().getName());

 });

 executorService.execute(thread);


 }


 }

}