| author | Jaroslav Tulach <jaroslav.tulach@apidesign.org> |
| Fri, 03 Apr 2020 16:32:36 +0200 | |
| changeset 416 | 9ed8788a1a4e |
| parent 379 | b632733724a8 |
| permissions | -rw-r--r-- |
1 package test;
3 import api.Contravariance;
5 public class ContravarianceTest {
6 // BEGIN: variance.contravariance.test
7 public static void main(String[] args) {
8 boolean positive = Contravariance.isPositive(10);
9 boolean negative = Contravariance.isPositive(-5);
10 assert positive : "10 is positive";
11 assert !negative : "-5 is negative";
12 }
13 // END: variance.contravariance.test
14 }