volatile关键字说明

package com.lit.thread003;

public class MyThread extends Thread{
private boolean flag = true ;

public boolean isFlag() {
return flag;
}


public void setFlag(boolean flag) {
this.flag = flag;
}


@Override
public void run() {
System.out.println("---进入run方法---");
while(flag){
//System.out.println("我在while循环中");
}
System.out.println("---结束run方法---");
}

}