java版冒泡法排序，java冒泡排序,import java.

java版冒泡法排序，java冒泡排序,import java.

import java.util.*;class BubbleSort {    public int[] sort(int[] arr) {    int max = arr.length-1;    for (int i=0; i < max; i++) {        int move = max-i;        int tmp;        for (int j=0; j < move; j++) {        if (arr[max-j] < arr[max-j-1]) {            //swap            tmp = arr[max-j];            arr[max-j] = arr[max-j-1];            arr[max-j-1] = tmp;        }        }    }    return arr;    }    private static String a2l(int[] arr) {    return Arrays.toString(arr);    }    /* main */    public static void main(String[] args) {    int[] arr1 = { 3, 7, 1, 2, 6 };    int[] arr2 = { 6, 1, 12, 3, 4 };    BubbleSort bs = new BubbleSort();    System.out.println(a2l(arr1));    System.out.println(" => " + a2l(bs.sort(arr1)));    System.out.println(a2l(arr1));    System.out.println(a2l(arr2));    System.out.println(" => " + a2l(bs.sort(arr2)));    }}