public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("输入你想要的创建的数组长度");
int a = sc.nextInt();
int[] arr = new int[a];
System.out.println("数组的长度为:" + arr.length);
for (int i = 0; i < arr.length; i++) {
System.out.println("输入数组中第" + (i + 1) + "个参数值");
int y = sc.nextInt();
arr[i] = y;
}
System.out.println("你输入的数组是" + Arrays.toString(arr));
System.out.println("选择要对数组进行操作的选项");
System.out.println("1:遍历数组");
System.out.println("2:取出数组最大值");
System.out.println("3:取出数组最小值");
System.out.println("4:求数组和");
System.out.println("5:将数组升序排序");
int v = sc.nextInt();
if (v == 1) {
for (int i = 0; i < arr.length; i++) {
System.out.print(arr[i] + "\t");
}
} else if (v == 2) {
int mxa = arr[0];
for (int i = 0; i < arr.length; i++) {
if (mxa < arr[i]) {
mxa = arr[i];
}
}
System.out.println("你输入数组的最大值是:" + mxa);
} else if (v == 3) {
int min = arr[0];
for (int i = 0; i < arr.length; i++) {
if (min > arr[i]) {
min = arr[i];
}
}
System.out.println("你输入的最小值是:" + min);
} else if (v == 4) {
int sum = 0;
for (int i : arr) {
sum += i;
}
System.out.println("你输入的数组之和"+sum);
} else if (v == 5) {
for (int i = 0; i < arr.length - 1; i++) {
for (int j = 0; j < arr.length - i - 1; j++) {
if (arr[j] > arr[j + 1]) {
int temp = arr[j];
arr[j] = arr[j + 1];
arr[j + 1] = temp;
}
}
}
for (int i : arr) {
System.out.println(i);
}
}
}
}
键盘输入,实现输出该数组的长度、遍历,最大值,最小值 求和,升序排序
最新推荐文章于 2021-12-09 09:09:36 发布