jdk-24/test/langtools/tools/javac/defaultMethods/Neg04.java
2017-09-12 19:03:39 +02:00

15 lines
407 B
Java

/* @test /nodynamiccopyright/
* @bug 7192246
* @summary check that default method must have most specific return type
* @compile/fail/ref=Neg04.out -XDrawDiagnostics Neg04.java
*/
class Neg04 {
interface IA1 { Integer m(); }
interface IA2 extends IA1 { default Number m() { return Neg04.m(this); } } //error
abstract class C implements IA1, IA2 {}
static int m(IA2 a) { return 0; }
}