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diff --git a/javaparser-testing/src/test/java/com/github/javaparser/wiki_samples/MethodChanger_1.java b/javaparser-testing/src/test/java/com/github/javaparser/wiki_samples/MethodChanger_1.java
new file mode 100644
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+++ b/javaparser-testing/src/test/java/com/github/javaparser/wiki_samples/MethodChanger_1.java
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+/*
+ * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
+ * Copyright (C) 2011, 2013-2016 The JavaParser Team.
+ *
+ * This file is part of JavaParser.
+ *
+ * JavaParser can be used either under the terms of
+ * a) the GNU Lesser General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ * b) the terms of the Apache License
+ *
+ * You should have received a copy of both licenses in LICENCE.LGPL and
+ * LICENCE.APACHE. Please refer to those files for details.
+ *
+ * JavaParser 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 Lesser General Public License for more details.
+ */
+
+package com.github.javaparser.wiki_samples;
+
+import com.github.javaparser.JavaParser;
+import com.github.javaparser.ast.CompilationUnit;
+import com.github.javaparser.ast.body.MethodDeclaration;
+import com.github.javaparser.ast.visitor.VoidVisitorAdapter;
+
+import java.io.File;
+
+public class MethodChanger_1 {
+
+    public static void main(String[] args) throws Exception {
+        // parse a file
+        CompilationUnit cu = JavaParser.parse(new File("test.java"));
+
+        // visit and change the methods names and parameters
+        cu.accept(new MethodChangerVisitor(), null);
+
+        // prints the changed compilation unit
+        System.out.println(cu);
+    }
+
+    /**
+     * Simple visitor implementation for visiting MethodDeclaration nodes.
+     */
+    private static class MethodChangerVisitor extends VoidVisitorAdapter<Void> {
+        @Override
+        public void visit(MethodDeclaration n, Void arg) {
+            // change the name of the method to upper case
+            n.setName(n.getNameAsString().toUpperCase());
+
+            // add a new parameter to the method
+            n.addParameter("int", "value");
+        }
+    }
+}