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

20 lines
517 B
Java

/*
* @test /nodynamiccopyright/
* @bug 4949303
* @summary A method returning a raw type cannot override a method returning a generic type
* @author gafter
*
* @compile UncheckedCovariance.java
* @compile/fail/ref=UncheckedCovariance.out -XDrawDiagnostics -Xlint:unchecked -Werror UncheckedCovariance.java
*/
class UncheckedCovariance {
static class Box<T> { }
static class A {
Box<Integer> f() { return null; }
}
static class B extends A {
Box f() { return null; }
}
}