package com.ebiz.sort; import java.text.SimpleDateFormat; import java.util.Date; /** * @author YHj * @create 2019-07-26 16:11 */ public class Bubble { public static void main(String[] args) { int[] arr = new int[80000]; for (int i = 0; i < 80000; i++) { arr[i] = (int) (Math.random() * 800000); } String s = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()); System.out.println("排序前 = " + s); getResult(arr); String l = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()); System.out.println("排序后 = " + l); } public static void getResult(int[] arr) { //临时变量 int temp; for (int i = 0; i < arr.length - 1; i++) { //优化标识 boolean flag = false; //内层 for (int j = 0; j < arr.length - 1 - i; j++) { if (arr[j] > arr[j + 1]) { flag = true; temp = arr[j]; arr[j] = arr[j + 1]; arr[j + 1] = temp; } } //判断标识符 if (!flag) { break; } } } }
待完善...