| author | Jaroslav Tulach <jtulach@netbeans.org> |
| Tue, 18 Oct 2011 07:10:23 +0200 | |
| changeset 380 | a2e90b86638a |
| parent 379 | samples/contravariance/src-api2.0/api/Contravariance.java@b632733724a8 |
| child 390 | a72eecb99952 |
| permissions | -rw-r--r-- |
| jtulach@8 | 1 |
package api; |
| jtulach@8 | 2 |
|
| jtulach@380 | 3 |
import java.util.Set; |
| jtulach@380 | 4 |
|
| jtulach@380 | 5 |
public class Erasure {
|
| jtulach@380 | 6 |
private Erasure() {
|
| jtulach@8 | 7 |
} |
| jtulach@8 | 8 |
|
| jtulach@380 | 9 |
// BEGIN: variance.erasure.v2 |
| jtulach@380 | 10 |
public static boolean arePositive(Set<? extends Number> numbers) {
|
| jtulach@380 | 11 |
for (Number n : numbers) {
|
| jtulach@380 | 12 |
if (n.doubleValue() <= 0.0d) {
|
| jtulach@380 | 13 |
return false; |
| jtulach@380 | 14 |
} |
| jtulach@380 | 15 |
} |
| jtulach@380 | 16 |
return true; |
| jtulach@378 | 17 |
} |
| jtulach@380 | 18 |
// END: variance.erasure.v2 |
| jtulach@8 | 19 |
} |