冒泡和选择排序实现

参考:https://www.cnblogs.com/onepixel/articles/7674659.html

冒泡排序

 /**
     * 冒泡排序
     * @param arr
     */
    public  static void sorts(int [] arr){
        for (int i = 0; i arr[j+1]){
                    a=arr[j];
                   arr[j]=arr[j+1];
                   arr[j+1]=a;
               }
            }
        }
    }

选择排序

 /**
     * 选择排序
     * @param arr
     */
public  static void sort(int [] arr){
        for (int i = 0; i arr[j]){
                   int a=arr[i];
                    arr[i]=arr[j];
                    arr[j]=a;
                }
            }
        }
    }

测试

 int[] a=new int[7];
        a[0]=2131231231;
        a[2]=44;
        a[3]=23;
        a[4]=112;
        a[5]=123;
        a[6]=11231;
        a[1]=121312312;
        int [] b={1,1232213,3,4,12,1223,213};
        sorts(a);
        System.out.println("a = " + Arrays.toString(a));
        System.out.println("a = " + Arrays.toString(b));
        sort(b);
        System.out.println("a = " + Arrays.toString(b));