一年半

Hibernate进行CRUDpublic class UserDaoImpl implements UserDao { @Override public void addUser(User user) { SessionFactory sessionfactory = HibernateUtil.getSessionfactory(); Session session = sessionfactory.openSession(); Tra

Hhibernate分页查询@Test public void queryPage(){ SessionFactory sessionfactory = HibernateUtil.getSessionfactory(); Session session = sessionfactory.openSession(); Transaction tx = session.beginTransaction(); Query query

文章目录重写hashcode 与 equals方法Why同时重写:1. 不重写的情况：1.1 两者关系2. 只重写equals的情况：2.1 不重写导致的结果案例：重写hashcode 与 equals方法@Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false;

Hibernate基础查询创建一个对象并配置public class User { private int id; private String name; private int age; public User() { } public User( String name, int age) { this.name = name; this.age = age; } public int getI