摘要：
公民 与 身份证 1 package com.zhangpn.OneToOne; 2 3 public class Person { 4 private Integer id; 5 private String name; 6 private Idcard idcard = new Idcard() 阅读全文
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学生 - 老师 1 package com.zhangpn.entity; 2 3 import java.util.HashSet; 4 import java.util.Set; 5 6 public class Student { 7 private Long id; 8 private St 阅读全文
摘要：
在《Hibernate中多对一详解》一随笔的基础上，修改老师表的结构： 1 package easyStart.Entity; 2 3 import java.util.HashSet; 4 import java.util.Set; 5 6 public class Teacher { 7 pri 阅读全文
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两个类：（1）学生：Student（2）老师：Teacher 1 package easyStart.Entity; 2 3 public class Student { 4 private int id; 5 private String name; 6 private Teacher teach 阅读全文