package day; import java.util.Arrays; /** * 冒泡排序 * @author Administrator * */ public class Maopao { public static void method(int[] array){ for(int i = array.length - 1;i >= 0;i --){ for(int j = 0;j < i;j ++){ if(array[j] > array[j + 1]){ swap(array, j, j + 1); } } } } private static void swap(int[] array, int k, int i) { int temp = array[k]; array[k] = array[i]; array[i] = temp; } public static void main(String[] args) { int[] a = {-1,2,-3,4,-5,6,-7,8,9}; method(a); System.out.println(Arrays.toString(a)); } }