打开注解是对的，关闭是错的使用ThreadLocal实例

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package com.hana.demo;import java.util.HashMap;public class TreadLocalTest {    static ThreadLocal<HashMap> map0 = new ThreadLocal<HashMap>(){ //        @Override //        protected HashMap initialValue() { //            System.out.println(Thread.currentThread().getName()+"initialValue"); //            return new HashMap(); //        }    };     public void run(){         Thread[] runs = new Thread[3];         for(int i=0;i<runs.length;i++){             runs[i]=new Thread(new T1(i));         }         for(int i=0;i<runs.length;i++){             runs[i].start();         }    }     public static class T1 implements Runnable{         int id;         public T1(int id0){             id = id0;         }         public void run() {             System.out.println(Thread.currentThread().getName()+":start");             HashMap map = map0.get();             for(int i=0;i<10;i++){                 map.put(i, i+id*100);                 try{                     Thread.sleep(100);                 }catch(Exception ex){                 }             }             System.out.println(Thread.currentThread().getName()+':'+map);         }     }     /**      * Main      * @param args      */     public static void main(String[] args){         TreadLocalTest test = new TreadLocalTest();         test.run();     }}

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