String queryString = new String("text:Linux-Magazine");
int maxHits = 100;

/* Creating IndexReader and IndexSearcher */
Analyzer analyzer = new EnglishAnalyzer(VERSION.Lucene_40);
Directory dir = FSDirectory.open(new File("/home/user/lucene/index"));
IndexReader reader = DirectoryReader.open(dir);
IndexSearcher searcher = new IndexSearcher(reader);

/* Creating and Executing a Query */
StandardQueryParser parser = new StandardQueryParser(analyzer);
Query query = parser.parse(queryString);
TopDocs topdocs = searcher.search(query, maxHits);

/* Reading and Outputting Hits */
ScoreDoc[] docs = topdocs.scoreDocs;
for (ScoreDoc doc : doc)
  System.out.println(doc.doc+"\t"+doc.score);

reader.close();