give a method a type

Question

hey, i didnt understand how you can give a method a type.... for example:
int div(){
}

does the int says whats the returned var or what?

Answer 1

it's simple. Ex:I want to return the sum of two numbers type double, I would do... double sum = double returnSum(2.3, 3.7);
The method: double returnSum(double a, double b){return a + b}

Answer 2

thx

Answer 3

Correct: double sum = returnSum(2.3, 3.7);