java-Comparable排序（list集合）

一、将Person类中按学号、姓名、年龄排序

实体类

package com.jredu.oop.ch02;/** * 实体类 * @author Administrator * *//** * Comparable实现排序功能 * @author Administrator * */public class Person implements Comparable<Person>{private int id;//编号private String name;//姓名private int age;//年龄public Person(int id, String name, int age) {super();this.id = id;this.name = name;this.age = age;}public int getId() {return id;}public void setId(int id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public int getAge() {return age;}public void setAge(int age) {this.age = age;}@Override//重写toString方法public String toString() {return "Person [id=" + id + ", name=" + name + ", age=" + age + "]";}

打印

按姓名排序

打印

按年龄排序

打印