samples/contravariance/src-impl/test/ContravarianceTest.java
author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
Thu, 30 Oct 2014 21:30:10 +0100
changeset 409 40cabcdcd2be
parent 379 b632733724a8
permissions -rw-r--r--
Updating to NBMs from NetBeans 8.0.1 as some of them are required to run on JDK8
     1 package test;
     2 
     3 import api.Contravariance;
     4 
     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 }