选择排序

/**}
 * 选择排序  (将小的放在前面，每轮只和第一个数交换)
 * @author Administrator
 *
 */
public class TestArray2 {
        
    public static void main(String[] args) {
        int [] arr = {6,9,3,1,4,8,5,7,2}; 
        for (int i = 0; i < arr.length - 1; i++) {
            for (int j = i + 1; j < arr.length; j++) {
                if (arr[i] > arr[j]) {
                    int temp = arr[i];
                    arr[i] = arr[j];
                    arr[j] = temp;
                }
            }
        }
        printArr(arr);
    }
    public static void printArr(int[] arr) {
        for (int i = 0; i < arr.length; i++) {
            System.out.println(arr[i]);
        }
    }
}