java數組--冒泡排序，java數組冒泡

java數組--冒泡排序，java數組冒泡

 1 package demo; 2  3 import java.util.Arrays; 4  5 public class Demo02 { 6     public static void main(String[] args) { 7         int[] arr = new int[10]; 8         for(int i=0; i<arr.length; i++){ 9             arr[i] = (int) (Math.random()*100);10         }11         System.out.println("冒泡排序前：");12         System.out.println("第"+(0)+"次："+Arrays.toString(arr));13         14         bubbleSort(arr);15         System.out.println("冒泡排序前：");16         System.out.println("第"+(0)+"次："+Arrays.toString(arr));17     }18     /*19      * 冒泡排序20      */21     public static void bubbleSort(int a[]) {   22        for (int i = 0; i < a.length - 1; i++) {   23                for (int j = 0; j < a.length - 1; j++) {   24                    if (a[j] > a[j + 1]) {   25                        int temp = a[j];   26                        a[j] = a[j + 1];   27                        a[j + 1] = temp;   28                    }   29             }30                System.out.println("第"+(i+1)+"次："+Arrays.toString(a));31        }32     }   33 }