[Java] Improving calculations for flexibility

[TakaShi^^]

Hi all,

i have some issues with some calculation below.

public static final int SIZE = 4;

int a = 2;
int b = 12;

// Multiple of 4 between a and b (inclusive) in ascending order
for (int i = (Math.min(a,b) + 1) / size; i <= Math.max(a,b) / size; i++){
    System.out.print(i * size + " ");    
}

Test run 1:

a = 2
b = 12

Test run 1 generate this output: 4 8 12

Test run 2:

a = 21
b = 15

Test run 2 generate this output: 16 20

If the size is change to 5:

Using int a = 6, b = 12 as inputs. It displays the following output: 5 10 --> Which is incorrect. Exact value should be 10 (Multiple of 5 --> 2 X 5 = 10)

How to improve the code above for better flexibility?

 

[TimeBomb]

"Better flexibility" makes no sense and is too generic. On top of that, read section rule #5 . We aren't here to do your homework.