15 lines
394 B
Java
15 lines
394 B
Java
/*
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* @test /nodynamiccopyright/
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* @summary check that default method must have most specific return type
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* @compile/fail/ref=Neg04.out -XDrawDiagnostics Neg04.java
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*/
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class Neg04 {
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interface IA1 { Integer m(); }
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interface IA2 extends IA1 { default Number m() { return Neg04.m(this); } } //error
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abstract class C implements IA1, IA2 {}
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static int m(IA2 a) { return 0; }
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}
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