title: Problems with lucene
body: <pre><code>package avajava;
  import org.apache.lucene.analysis.standard.StandardAnalyzer;
  import org.apache.lucene.document.Document;
  import org.apache.lucene.document.Field;
  import org.apache.lucene.document.StringField;
  import org.apache.lucene.document.TextField;
  import org.apache.lucene.index.DirectoryReader;
  import org.apache.lucene.index.IndexReader;
  import org.apache.lucene.index.IndexWriter;
  import org.apache.lucene.index.IndexWriterConfig;
  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.TopScoreDocCollector;
  import org.apache.lucene.store.Directory;
  import org.apache.lucene.store.RAMDirectory;
  import org.apache.lucene.util.Version;
  import java.io.IOException;
  
  public class HelloLucene {
     public static void main(String[] args) throws IOException, ParseException {
        // 0. Specify the analyzer for tokenizing text.
        //    The same analyzer should be used for indexing and searching
        StandardAnalyzer analyzer = new StandardAnalyzer(Version.LUCENE_44);
  
        // 1. create the index
        Directory index = new RAMDirectory();
  
        IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_44, analyzer);
  
        IndexWriter w = new IndexWriter(index, config);
        addDoc(w, "Lucene in Action", "193398817");
        addDoc(w, "Lucene for office use", "55320055Z");
        addDoc(w, "Managing Gigabytes", "55063554A");
        addDoc(w, "The Art of Computer Science", "9900333X");
        w.close();
  
        // 2. query
        String querystr = "title:of";
  
        // the "title" arg specifies the default field to use
        // when no field is explicitly specified in the query.
        Query q = new QueryParser(Version.LUCENE_44, "title", analyzer).parse(querystr);
  
        // 3. search
        int hitsPerPage = 10;
        IndexReader reader = DirectoryReader.open(index);
        IndexSearcher searcher = new IndexSearcher(reader);
        TopScoreDocCollector collector = TopScoreDocCollector.create(hitsPerPage, true);
        searcher.search(q, collector);
        ScoreDoc[] hits = collector.topDocs().scoreDocs;
  
        // 4. display results
        System.out.println("Found " + hits.length + " hits.");
        for(int i=0;i&lt;hits.length;++i) {
           int docId = hits[i].doc;
           Document d = searcher.doc(docId);
           System.out.println((i + 1) + ". " + d.get("isbn") + "\t" + d.get("title"));
        }
  
        // reader can only be closed when there
        // is no need to access the documents any more.
        reader.close();
    }
  
    private static void addDoc(IndexWriter w, String title, String isbn) throws IOException {
       Document doc = new Document();
       doc.add(new TextField("title", title, Field.Store.YES));
  
       // use a string field for isbn because we don't want it tokenized
       doc.add(new StringField("isbn", isbn, Field.Store.YES));
       w.addDocument(doc);
    }
  </code></pre>
  
  <p>}</p>
  
  <p>I got the above code from some examples.But i am not getting the expected results on the basis of the query string("title:of").</p>
  
  <p>Output expected :</p>
  
  <p>Found 2 hits.
   1. 55320055Z    Lucene for office use
   2. 9900333X     The Art of Computer Science</p>
  
  <p>Please help.</p>