java多线程加锁

最新推荐文章于 2023-07-26 14:38:24 发布

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最新推荐文章于 2023-07-26 14:38:24 发布

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分类专栏： Java 文章标签： java多线程加锁

本文链接：https://blog.youkuaiyun.com/lvjinhan/article/details/60368985

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package com.zhlk.thread;

public class TraditionalThreadSync {

	/**
	 * 创建日期：2017-3-4下午10:53:49 作者：lvguanghui
	 */
	public static void main(String[] args) {
        new TraditionalThreadSync().init();
	}
    private void init(){
    final Outputer output=new Outputer();    
 		new Thread(new Runnable() {
 				 @Override
 				public void run() {
 				 while(true){
 					 try {
 						Thread.sleep(500);
 					} catch (InterruptedException e) {
 						// TODO Auto-generated catch block
 						e.printStackTrace();
 					}
                    output.output3("lvguanghui"); 
 				 }
 				 
 				}
 			}).start();
 		
 		new Thread(new Runnable() {
			 @Override
			public void run() {
			 while(true){
				 try {
					Thread.sleep(500);
				} catch (InterruptedException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
               output.output1("lvjinhan"); 
			 }
			 
			}
		}).start();
    }
	static  class Outputer {
	  public synchronized void  output1(String name) {
			int len = name.length();
			//在方法内部使用关键字synchronized对代码块实现加锁
			synchronized (Outputer.class) {
			  	for (int i = 0; i < len; i++) {
					System.out.print(name.charAt(i));
				}
	             System.out.println();
			  } 
		}
	  public synchronized void  output2(String name) {
			int len = name.length();
			 
				for (int i = 0; i < len; i++) {
					System.out.print(name.charAt(i));
				}
	             System.out.println();
			 
		}
	  //在方法中使用关键字synchronized实现加锁
	  public static synchronized void  output3(String name) {
			int len = name.length();
			 
				for (int i = 0; i < len; i++) {
					System.out.print(name.charAt(i));
				}
	             System.out.println();
			 
		}
	}

}