import java.util.Arrays; public class Main { public static void main(String[] args) { int[] ns = { 28, 12, 89, 73, 65, 18, 96, 50, 8, 36 }; // 排序前: System.out.println(Arrays.toString(ns)); for (int i = 0; i < ns.length - 1; i++) { for (int j = 0; j < ns.length - i - 1; j++) { if (ns[j] > ns[j+1]) { // 交换ns[j]和ns[j+1]: int tmp = ns[j]; ns[j] = ns[j+1]; ns[j+1] = tmp; } } } // 排序后: System.out.println(Arrays.toString(ns)); } }