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