jdk8-mips64-public/langtools: test/tools/javac/generics/UncheckedCovariance.java@117c95448ab9

     1 /*

     2  * Copyright 2003 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

    27  * @summary A method returning a raw type cannot override a method returning a generic type

    28  * @author gafter

    29  *

    30  * @compile  UncheckedCovariance.java

    31  * @compile/fail -Xlint:unchecked -Werror  UncheckedCovariance.java

    32  */

    34 class UncheckedCovariance {

    35     static class Box<T> { }

    36     static class A {

    37         Box<Integer> f() { return null; }

    38     }

    39     static class B extends A {

    40         Box f() { return null; }

    41     }

    42 }

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