int[] ns = { 28, 12, 89, 73, 65, 18, 96, 50, 8, 36 };// 排序前:System.out.println(Arrays.toString(ns));int [] r_ns = new int[ns.length];Arrays.sort(ns);for(int i = 0; i < ns.length; i++){    r_ns[i] =ns[ns.length - 1 - i];}// 排序后:System.out.println(Arrays.toString(r_ns));if (Arrays.toString(r_ns).equals("[96, 89, 73, 65, 50, 36, 28, 18, 12, 8]")) {    System.out.println("测试成功");} else {    System.out.println("测试失败");}