59 lines
1.5 KiB
Java
59 lines
1.5 KiB
Java
package com.inmind.object01;
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import java.util.Objects;
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public class Person {//直接继承自Object
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String name;
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int age;
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public Person() {
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}
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public Person(String name, int age) {
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this.name = name;
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this.age = age;
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}
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@Override
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public String toString() {
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return "Person{" +
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"age=" + age +
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", name='" + name + '\'' +
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'}';
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}
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/*@Override
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public boolean equals(Object obj) {
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//我希望在Person比较时，只比较内容(姓名和年龄)，而不是地址
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//只要姓名和年龄是一致的，那就是同一个人
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//先直接判断地址是否相同，如果地址相同，则认为内容相同
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if (this == obj) {
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return true;
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}
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//先判断类型，如果类型不一致，则认为内容不同
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if (obj instanceof Person) {
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//如果是同一个类型，则进行属性的比较
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Person p2 = (Person) obj;
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Person p1 = this;
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*//*if (p1.name.equals(p2.name) && p1.age == p2.age) {
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return true;
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} else {
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return false;
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}*//*
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return p1.name.equals(p2.name) && p1.age == p2.age;
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} else {
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return false;
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}
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}*/
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@Override
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public boolean equals(Object o) {
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if (o == null || this.getClass() != o.getClass()) return false;
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Person person = (Person) o;
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return age == person.age && Objects.equals(name, person.name);
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}
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}
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