多线程与回调

工作了一年了，一直没怎么多用线程一块，好薄弱,，今天看了看。自己写了个小例子。免的以后忘了。做的主要是线程监控返回值。即不用轮训，和设置变量。让线程通知主类（我做完活东西给你了。） 

        直接上代码吧。 

 package com.bjz;

/**
 * 实现
 * @author bjz
 *
 */
public interface CallbackListener {
    public void srtartCallbackThread();

    public void print(String returnResult);  //主要实现方法,为什么不红了？？？

}

接口只要是供调用线程的类实现。从而实现线程和调用方法的解耦（ps:线程对主类） 

package com.bjz;

public class Reciver implements CallbackListener {
    private String num;
    private int count;

    String result;

    public Reciver(String num, int count) {
        this.num = num;
        this.count = count;
    }

    @Override
    public void srtartCallbackThread() {
        CallbackAndThread callbackAndThread = new CallbackAndThread(num, count);
        callbackAndThread.addList(this);
        new Thread(callbackAndThread).start();

    }

    [color=darkred]@Override
    public void print(String returnResult) {
        this.result = returnResult;
        System.out.println(result);
    }[/color]   //主要实现方法,为什么不红了？？？
}

下来就是线程了 

package com.bjz;

import java.util.List;
import java.util.ListIterator;
import java.util.Vector;

public class CallbackAndThread implements Runnable {

    private String note;
    private int count;
    private List listenerList = new Vector();

    public CallbackAndThread(String note, int count) {
        this.note = note;
        this.count = count;
    }

    public void addList(CallbackListener listener) {
        listenerList.add(listener);
    }

    public void removeList(CallbackListener listener) {
        listenerList.remove(listener);
    }
[color=darkred]
    public synchronized void returnResult(String note, int count) {
        ListIterator iterator = listenerList.listIterator();
        while (iterator.hasNext()) {
            CallbackListener listener = (CallbackListener) iterator.next();
            StringBuffer sb = new StringBuffer();
            for (int i = 0; i < count; i++) {
                sb.append(note);
            }
            listener.print(sb.toString());
        }
    }[/color]   //主要实现方法,为什么不红了？？？

    @Override
    public void run() {
        returnResult(note, count);
    }
}

 

package com.bjz;

public class Test {
    public static void main(String[] args) {
        for (int i=0;i<10;i++) {
            Reciver reciver = new Reciver(i+"", 50);
            reciver.srtartCallbackThread();
        }
    }
}

测试类