Tester.java

package Q17_01_Add_Without_Plus;

public class Tester {	
	public static int randomInt(int n) {
		return (int) (Math.random() * n);
	}
	
	public static void main(String[] args) {
		for (int a = 0; a < 1000; a++) {
			for (int b = 0; b < 1000; b++) {
				int sumA = QuestionA.add(a, b);
				int sumB = QuestionB.add(a, b);
				int sum = a + b;
				if (sumA != sum || sumB != sum) {
					System.out.println("ERROR: " + a + " + " + b + " = " + sum + " vs: " + sumA + ", " + sumB);
				} else {
					System.out.println("SUCCESS: " + a + " + " + b + " = " + sum);
				}
			}
		}
	}

}