学步园

不多说，看图和代码

package com.lyj.sort.insert;

public class SelectionSort {

    /**
     * @param args
     */
    public static void main(String[] args) {
        int[] array = { 100, 22, 1, 8, 5, 20, 13, 1, 9, 43, 24 };

        // 排序前
        for (int i : array) {
            System.out.print(i + " ");
        }
        System.out.println();

        // 排序
        selectionSort(array);

        // 排序后
        for (int i : array) {
            System.out.print(i + " ");
        }
    }

    private static void selectionSort(int[] array) {

        for (int i = 0; i < array.length; i++) {

            for (int j = i + 1; j < array.length; j++) {   //前面已经排好序，从当前次序的后面开始依次比较
                if (array[i] > array[j]) {
                    int temp = array[i];
                    array[i] = array[j];
                    array[j] = temp;
                }
            }
//            System.out.print("第 " + i + "次排序:  ");
//            for (int index : array) {
//                System.out.print(index + " ");
//            }
//            System.out.println();
        }

    }

}