子类调用

package test;

/**
 * 父类
 * @author 
 *
 */
public class Father {
    private SonFuctionListener mListenr;

    public Father() {

    }

    public void setSonListener(SonFuctionListener listener) {
        mListenr = listener;
    }
    public interface SonFuctionListener {
        void callTestMethod1();
    }

    public void realizeWay() {
        if (mListenr != null) {
            mListenr.callTestMethod1();
        }
    }

}

package test;

import test.Father.SonFuctionListener;

/**
 * 子类
 * @author 
 *
 */
public class Son extends Father implements SonFuctionListener{

    public Son() {
        setSonListener(this);
    }

    public void testSonMethod(String str) {
        System.out.println(str + ": this is testSonMethod");
    }

    @Override
    public void callTestMethod1() {
        testSonMethod("通过监听回调");
    }
    
}

package test;

/**
 * 
 * @author 
 * 
 */
public class TestTwo {
    public static void main(String[] args) {
        //通过监听回调
        son.realizeWay();
    }
}