Pos06.java

/*
 * Copyright (c) 2011, 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.
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/*
 * @test
 * @bug 6939620 6894753 7020044
 *
 * @summary  Diamond and subtyping
 * @author mcimadamore
 * @compile Pos06.java
 *
 */

class Pos06 {
    static class Foo<X> {
        Foo(X x) {  }
    }

    static class DoubleFoo<X,Y> {
        DoubleFoo(X x,Y y) {  }
    }

    static class TripleFoo<X,Y,Z> {
        TripleFoo(X x,Y y,Z z) {  }
    }

    Foo<? extends Integer> fi = new Foo<>(1);
    Foo<?> fw = new Foo<>(fi);
    Foo<? extends Double> fd = new Foo<>(3.0);
    DoubleFoo<?,?> dw = new DoubleFoo<>(fi,fd);
    Foo<String> fs = new Foo<>("one");
    TripleFoo<?,?,?> tw = new TripleFoo<>(fi,fd,fs);
}