摘要：
package com.com.FZAL;public class test01 { public static void main(String[] args) { Studentf s0 = new Studentf("松松","173","男",23); ZY t1 = new ZY("材料" 阅读全文
摘要：
package com.com.FZAL;public class test { public static void main(String[] args) { //new对象 Studentf s0 = new Studentf("松松","173","男",23); ZY t0 = new Z 阅读全文