23 lines
422 B
Java
23 lines
422 B
Java
/*
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* @test /nodynamiccopyright/
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* @bug 5007379
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* @summary Compiler allows inheritance of multiple methods with unrelated return types
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* @author gafter
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*
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* @compile/fail/ref=BadCovar.out -XDrawDiagnostics BadCovar.java
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*/
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package bad.covar;
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import java.util.*;
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interface A{
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List<? extends A> f();
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}
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interface B{
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List<? extends B> f();
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}
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abstract class C implements A, B {} // should give error
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