while(true);占用cpu不让出资源 ：
详解在线程中while(true);与while(true)i++;的区别
先上代码
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public class MyThread {
public static boolean bool=true;
public static synchronized void get(){
}
public static void main(String[] args) {
thread_1 a=new thread_1();
a.start();
thread_3 c=new thread_3();
c.start();
thread_2 b=new thread_2();
b.start();
System.out.println((int)'a');
}
}
class thread_1 extends Thread{
@Override
public void run() {
while (MyThread.bool){
}
System.out.println("1end");
}
}
class thread_2 extends Thread{
@Override
public void run() {
for (int i = 0; i < 1000; i++) {
}
MyThread.bool=false;
}
}
class thread_3 extends Thread{
@Override
public void run() {
System.out.println(74);
int i=0;
while (MyThread.bool){
i++;
}
System.out.println("3end");
}
}
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打住不要往下看我们先想一想执行结果是怎样的呢 是不是1end跟2end都会打印在控制台呢，
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