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