test/tools/javac/defaultMethods/Neg09.java

changeset 0
959103a6100f
child 2525
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-1:000000000000 0:959103a6100f
1 /* @test /nodynamiccopyright/
2 * @bug 7192246
3 * @summary check that default overrides are properly type-checked
4 * @compile/fail/ref=Neg09.out -Werror -Xlint:unchecked -XDrawDiagnostics Neg09.java
5 */
6 import java.util.List;
7
8 class Neg09 {
9 interface I {
10 default List<String> m() { return null; }
11 }
12
13 static class C1 {
14 public List m() { return null; } //unchecked (return) override
15 }
16
17 static class C2 extends C1 implements I { }
18
19 static class C3 implements I {
20 public List m() { return null; } //unchecked (return) override
21 }
22 }

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