/*

 * Copyright (c) 2004, 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 5009712

 * @summary 1.4 javac should not accept the Covariant Return Type

 * @author gafter

 *

 * @compile/fail -source 1.4 ExtendCovariant2.java

 * @compile                  ExtendCovariant2.java

 */

/**

 * java.io.PrintStream java.io.PrintStream.append(char)

 *

 * overrides

 *

 * java.lang.Appendable java.lang.Appendable.append(char)

 *

 * Yet javac should allow extending PrintStream, as long as the user

 * doesn't directly override a covariant method in -source 1.4.

 **/

public class ExtendCovariant2 extends java.io.PrintStream {

    ExtendCovariant2() throws java.io.IOException {

        super("");

    }

    public java.io.PrintStream append(char c) {

        return this;

    }

}