Interview Street Reading Input

is_inputreading.java

public class Solution {

    private static String INPUT_FILE_NAME = "input";

    protected static int solveMeFirst(int a, int b) {
        return a + b;
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(getInputStream());
        int a = in.nextInt();
        int b = in.nextInt();
        int sum = solveMeFirst(a, b);
        System.out.println(sum);
    }


    private static InputStream getInputStream() {
        try {
            return new FileInputStream(System.getProperty("user.dir") + "/" + INPUT_FILE_NAME);
        } catch (FileNotFoundException e) {
            return System.in;
        }
    }
}