JAVA Day12

JAVA Day12

多维数组

Arrays类

冒泡排序

public class Day12 {
    public static void main(String[] args) {
        int[] a = {5, 10, 60, 1, 20, 15};
        int[]sort = sort(a);
        System.out.println(Arrays.toString(sort));

    }

    //冒泡排序
    public static int[] sort(int[] array) {
        int temp = 0;
        //外层循环，第几轮
        for (int i = 0; i < array.length - 1; i++) {
            //内层循环，判断语句确定比到第几个数
            for (int j = 0; j < array.length - 1 - i; j++) {
                if (array[j + 1] > array[j]) {
                    temp = array[j];
                    array[j] = array[j + 1];
                    array[j + 1] = temp;
                }
            }
        }
        return array;