sum of digits java ????
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 —
Inputs
— Keyboard/Console/Standard Input stdin —
Outputs
— Monitor/Console/Standard Output —
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 —
Inputs
— Keyboard/Console/Standard Input stdin —
Outputs
— Monitor/Console/Standard Output —
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 —
integer :
Inputs
— Keyboard/Console/Standard Input stdin —
Outputs
— Monitor/Console/Standard Output —
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 —
integer :
Inputs
— Keyboard/Console/Standard Input stdin —
Outputs
— Monitor/Console/Standard Output —
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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