| 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-- |
| jtulach@378 | 1 |
package test; |
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import api.Contravariance; |
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public class ContravarianceTest {
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// BEGIN: variance.contravariance.test |
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public static void main(String[] args) {
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boolean positive = Contravariance.isPositive(10); |
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boolean negative = Contravariance.isPositive(-5); |
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assert positive : "10 is positive"; |
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assert !negative : "-5 is negative"; |
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} |
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// END: variance.contravariance.test |
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} |