package pool;

import java.util.concurrent.ExecutorService;

import java.util.concurrent.Executors;

/**

* @author ： CodeWater

* @create ：2022-06-03-19:56

* @Function Description ：线程池的使用方式

*/

public class ThreadPoolDemo1 {

public static void main( String[] args ) {

//一池五线程 5个

ExecutorService threadPool1 = Executors.newFixedThreadPool( 5 );

//一池一线程 1

ExecutorService threadPool2 = Executors.newSingleThreadExecutor();

//一池可扩容线程

ExecutorService threadPool3 = Executors.newCachedThreadPool();

//10个顾客请求

try{

for( int i = 0 ; i < 30 ; i++ ){

//执行

threadPool3.execute( () -> {

System.out.println( Thread.currentThread().getName() + "办理业务" );

});

}

}catch( Exception e){

e.printStackTrace();

}finally{

//关闭

threadPool3.shutdown();

}

}

}