jdk8-mips64-public/langtools: test/tools/javac/generics/Covar2.java@9a66ca7c79fa

     1 /*

     2  * Copyright 2003-2004 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    24 /*

    25  * @test

    26  * @bug 4949303 4960369 4965756

    27  * @summary Additional unit tests for covariant returns

    28  * @author gafter

    29  *

    30  * @compile -source 1.5 Covar2.java

    31  * @run main Covar2

    32  */

    34 public class Covar2 {

    35     static class A1 {

    36         public Long f() { return 12L; }

    37     }

    38     static class B1 extends A1 {

    39         public Long f() { return 12L; }

    40     }

    42     static class B2 {

    43         public int f() { return 12; }

    44     }

    45     static class C2 extends B2 {

    46         public int f() { return (short)12; }

    47     }

    49     static class C3 extends B2 {

    50         public int f() { return (short)12; }

    51     }

    53     public static void main(String[] args) {

    54         A1 b1 = new B1();

    55         System.out.println(b1.f());

    57         B2 c2 = new C2();

    58         System.out.println(c2.f());

    60         B2 c3 = new C3();

    61         System.out.println(c3.f());

    62     }

    63 }

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