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Today We will Discus about how to calculate sum of digit and product of digit using while loop of a number in java programming language

The sum of digit of a number is added every digit of number

For example

a number is 8554 then sum of digit is 8+5+5+4=22

And product of digit of a number is multiplication of each digit

For Example

a number is 4581 then product of digit is 4*5*8*1=160

See programming Example:

Output:

enter the number

4581

The product of digit 160

Today We will Discus about how to calculate sum of digit and product of digit using while loop of a number in java programming language

The sum of digit of a number is added every digit of number

For example

a number is 8554 then sum of digit is 8+5+5+4=22

And product of digit of a number is multiplication of each digit

For Example

a number is 4581 then product of digit is 4*5*8*1=160

See programming Example:

### java program find to sum of digits

import java.util.Scanner;

public class sum_of_digit {

public static void main(String[] args) {

int n, d, s = 0;

Scanner in = new Scanner(System.in);

System.out.println(“enter the number”);

n = in.nextInt();

while (n > 0) {

d = n % 10;

s = s + d;

n = n / 10;

}

System.out.println(“The sum of digit 458″+s);

}

}

public class sum_of_digit {

public static void main(String[] args) {

int n, d, s = 0;

Scanner in = new Scanner(System.in);

System.out.println(“enter the number”);

n = in.nextInt();

while (n > 0) {

d = n % 10;

s = s + d;

n = n / 10;

}

System.out.println(“The sum of digit 458″+s);

}

}

Output:

enter the number

8554

The sum of digit 22

enter the number

8554

The sum of digit 22

### java program to find product of digits

import java.util.Scanner;

public class product_of_digit {

public static void main(String[] args) {

int n, d, p = 1;

Scanner in = new Scanner(System.in);

System.out.println(“enter the number”);

n = in.nextInt();

public class product_of_digit {

public static void main(String[] args) {

int n, d, p = 1;

Scanner in = new Scanner(System.in);

System.out.println(“enter the number”);

n = in.nextInt();

while (n > 0) {

d = n % 10;

p = p * d;

n = n / 10;

}

System.out.println(“The product of digit “+ p);

}

}

Output:

enter the number

4581

The product of digit 160

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