Write a program to check number is Spy or not in java class 9

 

Spy Numbers in Java*

**Unveiling the Secrets of Spy Numbers in Java**

In the realm of number theory, there exists a clandestine group known as "spy numbers." These enigmatic figures hide in plain sight, their true nature concealed within the digits themselves. for in the world of Java programming, we have the tools to unmask these covert agents and expose them for what they are or aren't. In this article, we will delve into the intricacies of spy numbers in Java and equip you with the knowledge to identify them.

**What Is a Spy Number?**

A spy number is a curious numerical entity that possesses a peculiar property. To qualify as a spy number, the following conditions must be met:

1. The number should be a positive integer.

2. The sum of its digits must equal the product of its digits.

For instance, let's take the number 1124:

- Sum of digits: 1 + 1 + 2 + 4 = 8

- Product of digits: 1 * 1 * 2 * 4 = 8

Since the sum of its digits (8) equals the product of its digits (8), 1124 qualifies as a spy number.

**Coding the Spy Number Detector in Java**

Now that we understand what spy numbers are, let's embark on the journey to create a Java program that can identify them.

Source code of Program

import java.util.Scanner;

class spy

{

    public static void main(String Ar[])

    {

        Scanner obj=new Scanner(System.in);

        System.out.println("enter a number");

        int num=obj.nextInt();

        int b,s=0,p=1,num1=num;

        while(num!=0)

        {

           b=num%10;

           s=s+b;

           p=p*b;

           num/=10;

        }

        if(s==p)

        {

            System.out.println("spy number="+num1);

        }

        else

        {

            System.out.println("not a spy number="+num1);

        }

    }

}

Download Source Code

In this Java program, we first take input from the user, then utilize the `Is Spy Number` function to determine if the input number qualifies as a spy number.

**Running the Spy Number Detector**

Compile and run the Java program, and you can start testing various numbers to uncover spy numbers lurking among them. The program will reveal whether the entered number is a spy number or not.

**Conclusion**

Spy numbers may be mysterious, but with the power of Java programming at your disposal, you can shine a light on their secrets. By implementing the Spy Number Detector program we've created, you can identify these intriguing numerical enigmas and add another skill to your Java programming 

Output Screen