jdk-24/test/langtools/tools/javac/defaultMethods/Neg09.java
2017-09-12 19:03:39 +02:00

23 lines
578 B
Java

/* @test /nodynamiccopyright/
* @bug 7192246
* @summary check that default overrides are properly type-checked
* @compile/fail/ref=Neg09.out -Werror -Xlint:unchecked -XDrawDiagnostics Neg09.java
*/
import java.util.List;
class Neg09 {
interface I {
default List<String> m() { return null; }
}
static class C1 {
public List m() { return null; } //unchecked (return) override
}
static class C2 extends C1 implements I { }
static class C3 implements I {
public List m() { return null; } //unchecked (return) override
}
}