// !JVM_DEFAULT_MODE: all-compatibility // TARGET_BACKEND: JVM // JVM_TARGET: 1.8 // WITH_STDLIB // FILE: Simple.java public interface Simple extends KInterface3 { default String test() { return KInterface3.DefaultImpls.getBar(this); } } // FILE: Foo.java public class Foo implements Simple { } // FILE: main.kt interface KInterface { val foo: T val bar: T get() = foo } interface KInterface2 : KInterface { override val foo: String get() = "OK" } interface KInterface3 : KInterface2 { } fun box(): String { return Foo().test() }