
public interface Common {
public void speakCommon();
}
public interface Foreign {
public void speakForeign();
}
public class Translate extends My implements Foreign {
public void speakForeign() {
System.out.println("说的是外国话");
}
public static void main(String args[]){
Translate t = new Translate();// 可以和外国MM 交流了
t.speakForeign();
}
}
public class My implements Common {
public void speakCommon() {
System.out.println("我说的是普通话");
}
}
















