Java算法--冒泡排序

package com.zhangxueliang;

/**
 * 冒泡排序
 */
public class BubbleSort {
  public static void main(String[] args) {
    int[] arr = {9,8,4,7,6,5,2,1,3,10,100,55,45,35,666,66,0,-1,-100,-2};
    for (int i = arr.length-1; i >0 ; i--) {
      for (int j = 0; j < i ; j++) {
        if (arr[i]<arr[j]){
          int tmp = arr[i];
          arr[i]=arr[j];
          arr[j]=tmp;
        }
      }
    }

    for (int i = 0; i < arr.length; i++) {
      System.out.print(arr[i]+" ");
    }

  }

}