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It was a file from the uni it contains some classes I would be using.

import B102.*;
import java.util.*;

class Triangle
{
static boolean checkNumbersOnly(String input)
{
int i;

//if no input or null set to false

I have a method in which I'd like to check that the input read from a file is a string of 3 integers sperated by a space.

e.g

123 456 789
987 654 321

etc

My problem is when it retuns to...