java program to input a number and check whether it is special two digit number or not

Programming Example

A special two-digit number is such that when the sum of its digits is added to the product of

its digits, the result is equal to the original two-digit number.

Example: Consider the number 59.

Sum of digits = 5 + 9 = 14

Product of its digits = 5 x 9 = 45

Sum of the sum of digits and product of digits = 14 + 45 = 59

Write a program to accept a two-digit number. Add the sum of its digits to the product of its

digits.

If the value is equal to the number input, output the message “Special 2-digitnumber” otherwise,

output the message “Not a special2-digit number”.

Solution

import java.util.*;
class TwoDigitSpecial
{
	public static void main(string arr[])
	{
		Scanner sc=new Scanner(System.in);
		int n,f,l;
		System.out.println(“Enter a 2 digit number”);
		n=sc.nextInt();
		if(n>=10 && n<=99)
		{
			f=n/10;
			l=n%10;
			if(f+l+f*l==n)
				System.out.println(“Special 2-digit number”);
			else
				System.out.println(“Not a Special 2-digit number”);
		}
		else
			System.out.println(“Not a 2-digit number”);
	}
}
Output

Enter a 2 digit number : 79

Output : Special 2-digit number

-------------------------------------------------

Enter a 2 digit number : 47

Output : Not a Special 2-digit number

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