java - 程序从用户那里获取一个数字并验证它是否在 7 到 11 之间？

Question

我对 Java 不太熟悉...我有一个作业，需要编写一个程序，从用户那里获取一个数字，并验证它是否在 7 到 11 之间(包括 7 和 11)。我尝试过这样做，但我卡住了。这就是 iv'e 迄今为止尝试做的事情。

import java.util.Scanner;

public class assignment8 {


    Scanner in = new Scanner(System.in);

    public static void main(String[] args){ 

       int value1 = 7;
       int value2 = 11;

        if(value1 == value2)
            System.out.println("value1 == value2");
        if(value1 != value2)
            System.out.println("value1 != value2");
        if(value1 > value2)
            System.out.println("value1 > value2");
        if(value1 < value2)
            System.out.println("value1 < value2");
        if(value1 <= value2)
            System.out.println("value1 <= value2");

        System.out.print("Please enter a number ");

    }
}

Answer 1

public class Demo {
    public static void main(String[] args) {
        System.out.println("Enter number here : ");
        int num;

        Scanner scanIn = new Scanner(System.in);

        try {

            num = scanIn.nextInt();

            if (num >= 7 && num <= 11) {
                System.out.println("Number is between 7 and 11 inclusive");
            } else {
                System.out.println("Number is not between 7 and 11");
            }
        } catch (InputMismatchException e) {
            System.out.println("Please enter a valid integer");
        } finally {
            scanIn.close();
        }`enter code here`

    }