Index: src/java/org/apache/lucene/demo/core/SimpleCoreExample.java
===================================================================
--- src/java/org/apache/lucene/demo/core/SimpleCoreExample.java	(revision 0)
+++ src/java/org/apache/lucene/demo/core/SimpleCoreExample.java	(working copy)
@@ -0,0 +1,117 @@
+package org.apache.lucene.demo.core;
+
+import java.io.IOException;
+
+import org.apache.lucene.analysis.standard.StandardAnalyzer;
+import org.apache.lucene.demo.DemoConstants;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.document.TextField;
+import org.apache.lucene.index.DirectoryReader;
+import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.index.IndexWriterConfig;
+import org.apache.lucene.index.StoredDocument;
+import org.apache.lucene.queryparser.classic.ParseException;
+import org.apache.lucene.queryparser.classic.QueryParser;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.search.ScoreDoc;
+import org.apache.lucene.search.TopDocs;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.RAMDirectory;
+
+/**
+ * 
+ * @author mandy
+ * 
+ */
+public class SimpleCoreExample {
+
+	private final Directory indexDir = new RAMDirectory();
+
+	/**
+	 * Empty Constructor
+	 */
+	public SimpleCoreExample() {
+
+	}
+
+	private void addDocs(IndexWriter indexWriter, String value) throws IOException {
+		// Add fields to document
+		Document doc = new Document();
+		doc.add(new TextField("Contents", value, Field.Store.YES));
+
+		// Create index
+		indexWriter.addDocument(doc);
+	}
+
+	/**
+	 * Create Index
+	 * 
+	 * @throws IOException
+	 */
+	public void index() throws IOException {
+		// Create index writer
+		IndexWriterConfig config = new IndexWriterConfig(DemoConstants.DEMO_VER, new StandardAnalyzer(DemoConstants.DEMO_VER));
+		IndexWriter indexWriter = new IndexWriter(indexDir, config);
+
+		addDocs(indexWriter, "Welcome to Apache Lucene, high-performance, full-featured text search engine library written entirely in Java");
+		addDocs(indexWriter, "Lucene is an Opensource project");
+		addDocs(indexWriter, "This is Lucene Core Demo");
+		addDocs(indexWriter, "Apache Lucene");
+		addDocs(indexWriter, "Lucene Indexing & Searching APIs");
+
+		indexWriter.close();
+	}
+
+	/**
+	 * Search for custom query
+	 * 
+	 * @param keyword
+	 * @return no. of hits
+	 * @throws IOException
+	 * @throws ParseException
+	 */
+	public int search(String keyword) throws IOException, ParseException {
+		// Create index searcher
+		DirectoryReader indexReader = DirectoryReader.open(indexDir);
+		IndexSearcher indexSearcher = new IndexSearcher(indexReader);
+
+		// Build a query
+		QueryParser parser = new QueryParser(DemoConstants.DEMO_VER, "Contents", new StandardAnalyzer(DemoConstants.DEMO_VER));
+		Query query = parser.parse(keyword);
+
+		TopDocs topDocs = indexSearcher.search(query, 6);
+
+		// Iterate the score docs
+		ScoreDoc[] hits = topDocs.scoreDocs;
+		System.out.println("No. of Hits ---> " + hits.length);
+		if (hits.length > 0) {
+			System.out.println("Search result for *" + keyword + "* --->");
+			for (int i = 0; i < hits.length; i++) {
+				int docID = hits[i].doc;
+				StoredDocument doc = indexSearcher.doc(docID);
+				System.out.println(doc.get("Contents"));
+			}
+		} else {
+			System.out.println("No Results for... " + keyword);
+		}
+
+		return hits.length;
+	}
+
+	/**
+	 * Runs simple example for index creation & search
+	 * 
+	 * @param args
+	 * @throws Exception
+	 */
+	public static void main(String args[]) throws Exception {
+		SimpleCoreExample example = new SimpleCoreExample();
+		// Create index
+		example.index();
+		// Invoke custom search
+		example.search("Apache");
+	}
+
+}
Index: src/java/org/apache/lucene/demo/DemoConstants.java
===================================================================
--- src/java/org/apache/lucene/demo/DemoConstants.java	(revision 0)
+++ src/java/org/apache/lucene/demo/DemoConstants.java	(working copy)
@@ -0,0 +1,15 @@
+package org.apache.lucene.demo;
+
+import org.apache.lucene.util.Version;
+
+/**
+ * 
+ * @author mandy
+ * 
+ */
+public class DemoConstants {
+
+	/** The Lucene {@link Version} used by the example code. */
+	public static final Version DEMO_VER = Version.LUCENE_50;
+
+}
Index: src/test/org/apache/lucene/demo/core/TestSimpleCoreExample.java
===================================================================
--- src/test/org/apache/lucene/demo/core/TestSimpleCoreExample.java	(revision 0)
+++ src/test/org/apache/lucene/demo/core/TestSimpleCoreExample.java	(working copy)
@@ -0,0 +1,36 @@
+package org.apache.lucene.demo.core;
+
+import org.apache.lucene.demo.core.SimpleCoreExample;
+import org.apache.lucene.util.LuceneTestCase;
+
+/**
+ * 
+ * @author mandy
+ * 
+ */
+public class TestSimpleCoreExample extends LuceneTestCase {
+
+	SimpleCoreExample example;
+
+	private void assertExpectedCounts(String keyword, int expectedHitCount) throws Exception {
+		assertEquals("Count", expectedHitCount, example.search(keyword));
+	}
+
+	/**
+	 * Simple test
+	 * 
+	 * @throws Exception
+	 */
+	public void testSimple() throws Exception {
+		example = new SimpleCoreExample();
+		// Create index
+		example.index();
+
+		// Test no. of Hits
+		assertExpectedCounts("Apache", 2);
+		assertExpectedCounts("Lucene", 5);
+		assertExpectedCounts("Opensource", 1);
+		assertExpectedCounts("Search", 1);
+	}
+
+}