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diff --git a/docs/modules/ROOT/examples/tracing/ExampleMain.java b/docs/modules/ROOT/examples/tracing/ExampleMain.java
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+/*
+
+Copyright (c) Xerox Corporation 1998-2002.  All rights reserved.
+
+Use and copying of this software and preparation of derivative works based
+upon this software are permitted.  Any distribution of this software or
+derivative works must comply with all applicable United States export control
+laws.
+
+This software is made available AS IS, and Xerox Corporation makes no warranty
+about the software, its performance or its conformity to any specification.
+
+|<---            this code is formatted to fit into 80 columns             --->|
+|<---            this code is formatted to fit into 80 columns             --->|
+|<---            this code is formatted to fit into 80 columns             --->|
+
+*/
+
+package tracing;
+
+/**
+ *
+ * A main function for testing 2D shapes.
+ *
+ */
+public class ExampleMain {
+    public static void main(String[] args) {
+	Circle c1 = new Circle(3.0, 3.0, 2.0);
+	Circle c2 = new Circle(4.0);
+
+	Square s1 = new Square(1.0, 2.0);
+
+	System.out.println("c1.perimeter() = " + c1.perimeter());
+	System.out.println("c1.area() = " + c1.area());
+
+	System.out.println("s1.perimeter() = " + s1.perimeter());
+	System.out.println("s1.area() = " + s1.area());
+
+	System.out.println("c2.distance(c1) = " + c2.distance(c1));
+	System.out.println("s1.distance(c1) = " + s1.distance(c1));
+
+	System.out.println("s1.toString(): " + s1.toString());
+    }
+}