java: 找不到符号 符号: 方法 currentThread() 位置: 类 Chapter_05.Thread

[MrCollins]

package Chapter_05;

public class Thread_1 {
    public static void main(String[] args){

        MyThread1 t1 = new MyThread1();
        MyThread1 t2 = new MyThread1();

        t1.start();
        t2.start();
        System.out.println("main线程执行完毕");
    }
}

// TODO 第一个线程
class MyThread1 extends Thread {
    public void run(){
        System.out.println("MyThread-1:" + Thread.currentThread().getName());
    }
}

// TODO 第二个线程
class MyThread2 extends Thread {
    public void run(){
        System.out.println("MyThread-2:" + Thread.currentThread().getName());
    }
}

 

[TristenC]

编辑区上蓝色提示“Safe mode...”，导入的第三方项目吧，点trust project