Math { public int divide(int a, int b) { return a / b; }  int add(int a, int b); int subtract(int a, int b); int multiply(int a, int b); int divide(int a, int b);  }
@Test public void divideTest() { System.out.println("@Test Inside divideTest"); assertEquals(5, math.divide(20, 4)); assertNotEquals(5.5, math.divide(11, 2)); }