/*

 * 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.

 */

import java.awt.*;

import java.awt.event.*;

    Button button1 = new Button("Button1");

    Button button2 = new Button("Button2");

    Object lock = new Object();

    public void init() {

        Component parent = this;

        while (parent != null && !(parent instanceof Window)) {

            parent = parent.getParent();

        }

        /*

         * This applet is designed to be run only with appletviewer,

         * so there always should be a toplevel frame.

         */

        if (parent == null) {

            synchronized (lock) {

                System.err.println("appletviewer not running");

                System.exit(3);

            }

        }

        button1.addFocusListener(this);

        button2.addFocusListener(this);

        add(button1);

        add(button2);

        button2.requestFocus();

    }

    public void focusGained(FocusEvent e) {

        if (e.getSource() == button1) {

            synchronized (lock) {

            }

        }

    }

    public void focusLost(FocusEvent e) {

    }

}