Scanner数据输入:
      导包:
      import java.util.Scanner;
      创建对象:
      Scanner sc = new Scanner(System.in);
      接受数据:
       int x = sc.nextInt();
 */
import java.util.Scanner;
public class Demo01 {
    public static void main(String[] args) {
        //创建对象
        Scanner sc = new Scanner(System.in);
        //接受数据
        int x = sc.nextInt();
        //输出数据
        System.out.println("x:"+x);









