/*

 * Copyright 2009 Sun Microsystems, Inc.  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.

 *

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

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

 * have any questions.

 */

/*

 * @test

 * @bug     6650759

 * @summary Inference of formal type parameter (unused in formal parameters) is not performed

 * @compile T6650759c.java

 */

import java.util.Collection;

import java.util.Collections;

public class T6650759c {

  static interface A {}

  static interface B<X extends A> {}

  static interface C<X extends A, Y extends B<X>> {}

  public static <T extends A, U extends B<T>> Collection<C<T,U>> get(U u) {

    return null;

  }

  public <T extends A, U extends B<T>> Collection<C<T,U>> test(U u) {

    return Collections.unmodifiableCollection(get(u));

  }

}