CJCoding With Joseph
15free / daySign inCreate account

Function: Double a Number

Write a function doubleValue(int n) that returns n multiplied by 2. Call it with 21 and print the result (see Expected Output).

Use printf with %d.

Expected Output:

42

= newline. No newline after the last line.

Hints2 available
Topics:
Functions/Methods
1
Tab to indent (Esc then Tab to move on) · Ctrl+Enter to run · Shift+Alt+F to format · Ctrl+Space to expand shortcuts (p, fori)

Your Output

Run your code to see the output here...

Test Cases

Run your code to see test case results.