public void launch() {
// this script attempts to use polymorphism to get the
// maximum of 2 different numbers provided as a double, string or integer
// the class assumes input of a double so that we don't get any loss of precision
// the alternative was to use an integer and cast the double to an integer but wouldn't have
// been able to compare non whole numbers in that case
Comparator compare = new Comparator();
System.out.println("Max =" + compare.getMax(4.26, 4.33)); // compare doubles
System.out.println("Max =" + compare.getMax(4, 3)); // compare integers
System.out.println("Max =" + compare.getMax("4.89", "4.88")); // compare strings
}
@Test
public void testGetMaxString() {
String test1 = "1";
String test2 = "2";
String output = test.getMax(test1, test2);
assertEquals("2", output);
}
@Test
public void testGetMaxInt() {
int test1 = 1;
int test2 = 2;
int output = test.getMax(test1, test2);
assertEquals(2, output);
}
@Test
public void testGetMaxDouble() {
double test1 = 1;
double test2 = 2;
double output = test.getMax(test1, test2);
assertEquals(2.0, output, 1);
}
public static void main(String[] args) {
Comparator<String> c = new Comparator<String>();
String a = "22";
String b = "23";
System.out.println(c.getMax(a, b));
}
