# sum of digits java ????

Oct 19th, 2014
Anonymous
Category:
Programming
Price: \$20 USD

Question description

﻿6.2) (Sum  the digits in an integer ) Write a method  that computes the sum  of the digits in aninteger . Use the following method  header:

public static int  sumDigits(long n)

For example, sumDigits(234) returns 9 (2 + 3 + 4). (Hint: Use the % opera- tor to extract digits, and the / operator  to remove the extracted digit. For instance, to extract 4 from 234, use 234 % 10 (= 4). To remove 4 from 234, use 234 / 10 (= 23). Use a loop to repeatedly extract and remove the digit until  all the digits are extracted. Write a test program  that prompts the user to enter an integer  and displays the sum  of all its digits.

### SAMPLE RUN #1

#### --- Prompts For Keyboard/Console/Standard Input ---

Enter an integer :

### Inputs

#### --- Keyboard/Console/Standard Input stdin ---

3436826387468234

### Outputs

#### --- Monitor/Console/Standard Output  ---

Enter an integer :The sum  of the digits in 3436826387468234 is 53

### What The Console Looks Like In An Interactive Session:

#### (Note: this combines standard input with standard output )

>java SumDigits
Enter an integer : 3436826387468234
The sum  of the digits in 3436826387468234 is 53

### SAMPLE RUN #2

#### --- Prompts For Keyboard/Console/Standard Input ---

Enter an integer :

32749739824747

### Outputs

#### --- Monitor/Console/Standard Output  ---

Enter an integer :The sum  of the digits in 32749739824747 is 48

### What The Console Looks Like In An Interactive Session:

#### (Note: this combines standard input with standard output )

>java SumDigits
Enter an integer : 32749739824747
The sum  of the digits in 32749739824747 is 48

### SAMPLE RUN #3

#### --- Prompts For Keyboard/Console/Standard Input ---

Enter an integer :

### Inputs

#### --- Keyboard/Console/Standard Input stdin ---

687678687676862342

### Outputs

#### --- Monitor/Console/Standard Output  ---

Enter an integer :The sum  of the digits in 687678687676862342 is 59

### What The Console Looks Like In An Interactive Session:

#### (Note: this combines standard input with standard output )

>java SumDigits
Enter an integer : 687678687676862342
The sum  of the digits in 687678687676862342 is 59

### SAMPLE RUN #4

#### --- Prompts For Keyboard/Console/Standard Input ---

Enter an integer :

57657577899

### Outputs

#### --- Monitor/Console/Standard Output  ---

Enter an integer :The sum  of the digits in 57657577899 is 61

### What The Console Looks Like In An Interactive Session:

#### (Note: this combines standard input with standard output )

>java SumDigits
Enter an integer : 57657577899
The sum  of the digits in 57657577899 is 61

compile w/ NetBeans

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