排序系列之冒泡排序

 1 package com.led.sort;
 2 
 3 import java.util.Arrays;
 4 
 5 /**
 6  * Bubble Sort: Digital from small to large
 7  * 
 8  * @author Lin_Hero
 9  * 
10  */
11 public class Bubble001 {
12 
13     public static int[] BubbleSort(int[] a) {
14 
15         int temp;
16         for (int i = 0; i < a.length; i++) {
17             for (int j = i + 1; j < a.length; j++) {
18                 if (a[i] > a[j]) {
19                     temp = a[i];
20                     a[i] = a[j];
21                     a[j] = temp;
22                 }
23             }
24         }
25         return a;
26     }
27 
28     public static void main(String[] args) {
29 
30         int[] array = { 1, -6, -99, 67, 45, 8, 0, -90 };
31         System.out.println("Before bubble sort:");
32         System.out.println(Arrays.toString(array));
33         
34         Bubble001.BubbleSort(array); // 静态方法的调用：类名.方法名
35         System.out.println("After bubble sort:");
36         System.out.println(Arrays.toString(array));
37 
38     }
39 
40 }

Before bubble sort:
[1, -6, -99, 67, 45, 8, 0, -90]
After bubble sort:
[-99, -90, -6, 0, 1, 8, 45, 67]