import Jakarta.util.*;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.io.PrintWriter;
import java.io.Reader;
import java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.io.Writer;
import java.net.URI;
import java.util.Hashtable;
import java.util.List;
import java.util.Stack;
import java.util.EmptyStackException;
import java.util.Vector;
//*****************************************************
// Utility - this class is a general repository for
// otherwise class-static methods that must be refined
// by layers. Since Java doesn't support the refinement
// of static methods, we have to resort to adding this
// class.
//******************************************************
public class Utility {}