public static void main(String args[]) {
Math m = new Math();
System.out.println("5 + 9 = " + m.add(5, 9));
System.out.println("8 - 2 = " + m.sub(8, 2));
System.out.println("4 x 7 = " + m.multiply(4, 7));
}
public void testMulitply() {
int num1 = 3;
int num2 = 7;
int total = 14;
int sum = 0;
sum = Math.multiply(num1, num2);
assertEquals("Problem with multiply", sum, total);
num1 = 5;
num2 = 4;
total = 20;
sum = Math.multiply(num1, num2);
assertEquals("Problem with multiply", sum, total);
}