Adding JMCR-Stable version

[Benchmarks_CSolver.git] / JMCR-Stable / mcr-test / src / instrumented / java / util / Observer.java

diff --git a/JMCR-Stable/mcr-test/src/instrumented/java/util/Observer.java b/JMCR-Stable/mcr-test/src/instrumented/java/util/Observer.java
new file mode 100644 (file)
index 0000000..9c1557c
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+++ b/JMCR-Stable/mcr-test/src/instrumented/java/util/Observer.java
@@ -0,0 +1,30 @@
+/*
+ * @(#)Observer.java   1.18 03/01/23
+ *
+ * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
+ * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
+ */
+package instrumented.java.util;
+
+/**
+ * A class can implement the <code>Observer</code> interface when it
+ * wants to be informed of changes in observable objects.
+ *
+ * @author  Chris Warth
+ * @version 1.18, 01/23/03
+ * @see     benchmarks.instrumented.java.util.Observable
+ * @since   JDK1.0
+ */
+public interface Observer {
+    /**
+     * This method is called whenever the observed object is changed. An
+     * application calls an <tt>Observable</tt> object's
+     * <code>notifyObservers</code> method to have all the object's
+     * observers notified of the change.
+     *
+     * @param   o     the observable object.
+     * @param   arg   an argument passed to the <code>notifyObservers</code>
+     *                 method.
+     */
+    void update(Observable o, Object arg);
+}