Popular Java Classes

The most frequently queried java classes during the past month:

Class	# Queries
java.lang.String	4631
java.io.File	3935
javax.swing.JPanel	3597
java.util.List	3093
java.util.Calendar	3026
java.lang.Thread	3015
java.lang.System	2571
java.lang.Integer	2438
java.lang.ClassLoader	2263
java.io.BufferedReader	2118
javax.swing.JTable	2083
java.lang.Exception	1996
java.util.Properties	1987
java.sql.Connection	1803
java.net.URL	1643
java.util.HashMap	1550
java.util.ArrayList	1510
java.io.InputStream	1415
java.util.Vector	1322
javax.swing.JButton	1219
java.lang.Runtime	1042
java.lang.Class	914
javax.swing.JTabbedPane	886
java.lang.reflect.Array	859
java.util.GregorianCalendar	798
java.util.Iterator	725
java.util.Set	690
java.util.Date	623
org.apache.batik.css.parser.Scanner	606
java.util.StringTokenizer	572
org.apache.tools.ant.taskdefs.Java	523
java.util.Collection	515
org.apache.axis.client.Call	394
org.xml.sax.XMLReader	391
java.util.jar.JarFile	362
java.util.Stack	353
org.apache.batik.dom.svg.AbstractElement	335
org.apache.catalina.Engine	276
java.awt.print.PrinterJob	264
javax.servlet.Servlet	236