Find Sum of Even Digits in a Given Number in Java Program

Find Sum of Even Digits in a Given Number in Java Program- Java program to find the sum of digits of a given number. Now in this post, we will write a Java program to find the sum of even digits in a given number.

Procedure to find the sum of even digits in a given number,

Take a number
Declare a variable evenDigitSum to store the sum value and initialize it with 0
Find the last digit of the number
Check that the last digit is even or not
If it even then adds it to evenDigitSum variable, else go to next step
Remove the last digit of the number
Repeat 3 to 6 steps until the number becomes 0

Program to find the sum of digits of a given number in java

Table of Contents

import java.util.Scanner;

public class SumOfEvenDigitsProgram {

  public static int findEvenDigitSum(int number) {

    // declare variables
    int lastDigit = 0;
    int evenDigitSum = 0;

    // loop to repeat the process
    while(number!=0) {

       // find last digit
       lastDigit = number%10;

       // check last digit even?
       if(lastDigit % 2 == 0) 
           // add it to sum
           evenDigitSum += lastDigit;
       }

       // remove last digit of number
       number = number / 10;
    }

    // return sum value
    return evenDigitSum;
  }

  public static void main(String[] args) {

     // declare variables
     int number = 0;
     int sumOfEvenDigits = 0;

     // create Scanner class object 
     // for reading the values
     Scanner scan =  new Scanner(System.in);

     // read inputs
     System.out.print("Enter an integer number:: ");
     number = scan.nextInt();

     // find sum of digits of number
     sumOfEvenDigits = findEvenDigitSum(number);

     // display result
     System.out.println("The sum of even digits of"+
       " the number "+number+" = "+ sumOfEvenDigits);

     // close Scanner class object
     scan.close();
  }
}

output



Enter an integer number:: 1245
The sum of even digits of the number 1245 = 6

Enter an integer number:: 123456789
The sum of even digits of the number 123456789 = 20

Types of Sorting Algorithms:

Additional Reading

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