| /** |
| * @test /nodynamiccopyright/ |
| * @bug 7062745 7157798 7170058 |
| * @summary Negative test of conflicting same-name methods inherited from multiple interfaces when parameter types not compatible |
| * @compile/fail/ref=Test4.out -Werror -Xlint:unchecked -XDrawDiagnostics Test4.java |
| */ |
| |
| import java.util.Set; |
| import java.util.HashSet; |
| |
| interface A { void m(Set<Integer> s); } |
| interface B { void m(Set<String> s); } |
| interface C { void m(Set<?> s); } |
| |
| interface AB extends A, B {} //error |
| |
| interface AC extends A, C {} //error |
| |
| interface D<T> { void m(Set<T> s); } |
| |
| interface AD extends A, D<Integer> {} //OK |
| |
| interface AD2 extends A, D<Number> {} //error |
| |
| interface CD<T> extends C, D<T> {} //error |
| |
| interface E { <T> void m(Set<T> s); } |
| |
| interface DE<T> extends D<T>, E {} //error |
