| /* |
| * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 4949303 4960369 4965756 |
| * @summary Additional unit tests for covariant returns |
| * @author gafter |
| * |
| * @compile Covar2.java |
| * @run main Covar2 |
| */ |
| |
| public class Covar2 { |
| static class A1 { |
| public Long f() { return 12L; } |
| } |
| static class B1 extends A1 { |
| public Long f() { return 12L; } |
| } |
| |
| static class B2 { |
| public int f() { return 12; } |
| } |
| static class C2 extends B2 { |
| public int f() { return (short)12; } |
| } |
| |
| static class C3 extends B2 { |
| public int f() { return (short)12; } |
| } |
| |
| public static void main(String[] args) { |
| A1 b1 = new B1(); |
| System.out.println(b1.f()); |
| |
| B2 c2 = new C2(); |
| System.out.println(c2.f()); |
| |
| B2 c3 = new C3(); |
| System.out.println(c3.f()); |
| } |
| } |