java - Thread 类中的构造函数 Thread 不能应用于给定类型；

Question

为什么它显示错误，因为我正在从“Head First with Java”一书中执行此操作。这是我使用过的代码:

import java.util.*;
import java.lang.*;


public class mallu{
    public static void main(String[] args) {
        Runnable threadJob = new MyRunnable();
        Thread myThread = new Thread(threadJob);
        myThread.start();
        System.out.println("back in main");

    }
}

class MyRunnable implements Runnable{
    public void run(){
        go();
    }

    public void go(){
        doMore();
    }

    public void doMore(){
        System.out.println("top o' the stack");
    }
}

这就是我遇到的错误。

<小时/>

./Thread.java:14: error: duplicate class: MyRunnable
class MyRunnable implements Runnable{
^
mallu.java:8: error: constructor Thread in class Thread cannot be applied to given types;
        Thread myThread = new Thread(threadJob);
                          ^
  required: no arguments
  found: Runnable
  reason: actual and formal argument lists differ in length
mallu.java:9: error: cannot find symbol
        myThread.start();
                ^
  symbol:   method start()
  location: variable myThread of type Thread
./Thread.java:7: error: constructor Thread in class Thread cannot be applied to given types;
        Thread myThread = new Thread(threadJob);
                          ^
  required: no arguments
  found: Runnable
  reason: actual and formal argument lists differ in length
./Thread.java:8: error: cannot find symbol
        myThread.start();
                ^
  symbol:   method start()
  location: variable myThread of type Thread
5 errors

我不明白为什么会发生这个错误。任何帮助将不胜感激。

Answer 1

./Thread.java:14: error: duplicate class: MyRunnable

在您的项目中看起来您有多个类名MyRunnable

要解决此问题，请将类名从 MyRunnable 更改为其他类名。
查看结果:Your code

阅读Java: "duplicate class" and Mismatched File Name Error