package J20250722; /** * @author WanJl * @version 1.0 * @title Main * @description * @create 2025/7/22 */ public class Main { public static void main(String[] args) { Student s1=new Student(1,"张三",25); Student s2=new Student(1,"张三",25); System.out.println(s1==s2); System.out.println(s1.equals(s2)); System.out.println(s1); System.out.println(s2); System.out.println(s1.hashCode()); //hashCode值 System.out.println(s2.hashCode()); System.out.println(s1.hashCode()); //hashCode值 System.out.println(s2.hashCode()); System.out.println(s1.hashCode()); //hashCode值 System.out.println(s2.hashCode()); System.out.println(s1.hashCode()); //hashCode值 System.out.println(s2.hashCode()); System.out.println(s1.hashCode()); //hashCode值 System.out.println(s2.hashCode()); System.out.println(s1.hashCode()); //hashCode值 System.out.println(s2.hashCode()); System.out.println(s1.hashCode()); //hashCode值 System.out.println(s2.hashCode()); System.out.println(s1.hashCode()); //hashCode值 System.out.println(s2.hashCode()); System.out.println(s1.hashCode()); //hashCode值 System.out.println(s2.hashCode()); System.out.println(s1.hashCode()); //hashCode值 System.out.println(s2.hashCode()); } }