1 /*
2 * Copyright (c) 2000, Oracle and/or its affiliates. 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.util.prefs;
27
28 /**
29 * A listener for receiving preference change events.
30 *
31 * @author Josh Bloch
32 * @see Preferences
33 * @see PreferenceChangeEvent
34 * @see NodeChangeListener
35 * @since 1.4
36 */
37 public interface PreferenceChangeListener extends java.util.EventListener {
38 /**
39 * This method gets called when a preference is added, removed or when
40 * its value is changed.
41 * <p>
42 * @param evt A PreferenceChangeEvent object describing the event source
43 * and the preference that has changed.
44 */
45 void preferenceChange(PreferenceChangeEvent evt);
46 }
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1 /*
2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.util.prefs;
27
28 /**
29 * A listener for receiving preference change events.
30 *
31 * @author Josh Bloch
32 * @see Preferences
33 * @see PreferenceChangeEvent
34 * @see NodeChangeListener
35 * @since 1.4
36 */
37 @FunctionalInterface
38 public interface PreferenceChangeListener extends java.util.EventListener {
39 /**
40 * This method gets called when a preference is added, removed or when
41 * its value is changed.
42 * <p>
43 * @param evt A PreferenceChangeEvent object describing the event source
44 * and the preference that has changed.
45 */
46 void preferenceChange(PreferenceChangeEvent evt);
47 }
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