package com.inmind.collections04;

import java.util.ArrayList;
import java.util.Collections;

/*
static <T extends Comparable<? super T>> void sort(List<T> list) 根据其元素的自然排序，按照升序排列指定的列表。
 */
public class Demo14 {
    public static void main(String[] args) {
        //整数的自然排序，默认升序
        ArrayList<Integer> lists = new ArrayList<>();
        Collections.addAll(lists, 111, 22, 32, 4, 555);
        System.out.println(lists);
        //对集合进行排序
        Collections.sort(lists);
        System.out.println(lists);
        System.out.println("-------------------------------------");
        //字符串的默认排序，按照字典排序，按ASCII码值
        ArrayList<String> strs = new ArrayList<>();
        Collections.addAll(strs, "ab", "ba", "aa", "ca", "ac","bb");
        System.out.println(strs);
        //对集合进行排序
        Collections.sort(strs);
        System.out.println(strs);

        //自定义类的排序(Student)
        ArrayList<Student> students = new ArrayList<>();
        students.add(new Student("张三1", 18,88));
        students.add(new Student("张三2", 18,90));
        students.add(new Student("张三3", 18,93));
        students.add(new Student("张三4", 18,39));
        System.out.println(students);
        //注意：Collections.sort排序时，传入的集合的内容，必须拥有自然排序功能（实现Comparable）
        Collections.sort(students);
        System.out.println(students);

    }
}