两个类 package com.zhidao.baidu;public class MQ {public static void main(String[] args) {new MS().prt(); }}第二个package com.zhidao.baidu;public class MS { public void prt() {System.out.println("I am MS prt()"); }}编译运行就是...
package vanny;public class StudentA{StudengtBstu= new StudentB();stu.say("xiaowang");}package vanny;public class StudentB{ public void say(String s) {...
