冒泡排序与选择排序

    public static void method()
    {
        int[] arr = new int[10];
        for (int i = 0; i < arr.length; i++)
        {
            arr[i] = (int) (Math.random() * 100 + 1);
        }
        for (int num : arr)
        {
            System.out.print(num + " ");
        }
        System.out.println("--------华丽的分割线--------");
        for (int i = 0; i < arr.length - 1; i++)
        {
            for (int j = 0; j < arr.length - 1 - i; j++)
            {
                int tem;
                if (arr[j] > arr[j + 1])
                {
                    tem = arr[j];
                    arr[j] = arr[j + 1];
                    arr[j + 1] = tem;
                }
            }
            System.out.println("这是第" + (i + 1) + "次排序结果：");
            for (int num : arr)
            {
                System.out.print(num + " ");
            }
            System.out.println();
        }
        System.out.println("最终排序结果为：");
        for (int num : arr)
        {
            System.out.print(num + " ");
        }
    }

    public static void selectionsort()
    {
        int tem;
        int[] arr = new int[10];
        for (int i = 0; i < arr.length; i++)
        {
            arr[i] = (int) (Math.random() * 100 + 1);
        }
        for (int num : arr)
        {
            System.out.print(num + " ");
        }
        System.out.println();
        System.out.println("--------华丽的分割线--------");
        for (int i = 0; i < arr.length - 1; i++)
        {
            int k = 0;
            for (int j = 1; j < arr.length - i; j++)
            {
                if (arr[k] > arr[j])
                {
                    k = j;
                }
            }
            System.out.println("第" + (i + 1) + "次，" + "数组arr[]中的第" + (k + 1) + "个数最小，为" + arr[k]);
            tem = arr[arr.length - i - 1];
            arr[arr.length - i - 1] = arr[k];
            arr[k] = tem;
            System.out.println("第" + (i + 1) + "次排序结果为：");
            for (int num : arr)
            {
                System.out.print(num + " ");
            }
            System.out.println();
        }
        System.out.println("选择排序的最终结果为");
        for (int num : arr)
        {
            System.out.print(num + " ");
        }
    }

    public static void main(String[] args)
    {
        method();
    }

原文路径：http://www.cnblogs.com/sxx1993/p/7550025.html