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test/tools/javac/generics/Covar2.java@2eb010b6cb22 (annotated)

test/tools/javac/generics/Covar2.java

Thu, 31 Aug 2017 15:17:03 +0800

author

aoqi

date

Thu, 31 Aug 2017 15:17:03 +0800

changeset 2525

2eb010b6cb22

parent 554

9d9f26857129

parent 0

959103a6100f

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 4949303 4960369 4965756
aoqi@0	27	* @summary Additional unit tests for covariant returns
aoqi@0	28	* @author gafter
aoqi@0	29	*
aoqi@0	30	* @compile Covar2.java
aoqi@0	31	* @run main Covar2
aoqi@0	32	*/
aoqi@0	33
aoqi@0	34	public class Covar2 {
aoqi@0	35	static class A1 {
aoqi@0	36	public Long f() { return 12L; }
aoqi@0	37	}
aoqi@0	38	static class B1 extends A1 {
aoqi@0	39	public Long f() { return 12L; }
aoqi@0	40	}
aoqi@0	41
aoqi@0	42	static class B2 {
aoqi@0	43	public int f() { return 12; }
aoqi@0	44	}
aoqi@0	45	static class C2 extends B2 {
aoqi@0	46	public int f() { return (short)12; }
aoqi@0	47	}
aoqi@0	48
aoqi@0	49	static class C3 extends B2 {
aoqi@0	50	public int f() { return (short)12; }
aoqi@0	51	}
aoqi@0	52
aoqi@0	53	public static void main(String[] args) {
aoqi@0	54	A1 b1 = new B1();
aoqi@0	55	System.out.println(b1.f());
aoqi@0	56
aoqi@0	57	B2 c2 = new C2();
aoqi@0	58	System.out.println(c2.f());
aoqi@0	59
aoqi@0	60	B2 c3 = new C3();
aoqi@0	61	System.out.println(c3.f());
aoqi@0	62	}
aoqi@0	63	}