Hallo ...habe ein Problem beim folgenden Text:
Fehlermeldung bei : lastchar = wordnow.charAt(wlen);
Kann mir jemand weiterhelfen...weiß mir keinen Rat mehr.....
Vielen vielen Dank ...
)))
Code:
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.lang.*;
import java.util.*;
import java.sql.*;
import java.lang.String.*;
public class searchservlet extends HttpServlet
{
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException
{
resp.setContentType("text/html");
PrintWriter out = resp.getWriter();
String search = req.getParameter("search");
out.println("<html>");
out.println("<body>");
out.println("<head>");
out.println("<title>Hello World!</title>");
out.println("</head>");
out.println("<body bgcolor='white' text='black'>");
//String sentance = "Sovereign Diamonds ";
String sentance = " Threes stones diamonds ";
sentance = sentance.trim();
String wordis = search;
String wordis2 = " ";
StringTokenizer st = new StringTokenizer(sentance);
String wordnow= " ";
int wlen;
String lastchar;
while (st.hasMoreTokens())
{
wordnow = st.nextToken();
wordnow = wordnow.trim();
out.println("
wordnow"+wordnow);
wlen = wordnow.length();
wlen = wlen-1;
out.println("
wlen"+wlen);
lastchar = wordnow.charAt(wlen);
///*
if(lastchar == "s")
{
out.println("
S FOUND");
}
else
{
out.println("
S NOT FOUND");
}
//*/
//out.println("
lastchar"+lastchar);
}
//Connection=====================================================
java.util.Properties props = new java.util.Properties();
props.put("user", " ");
props.put("password", " ");
String driverName = "sun.jdbc.odbc.JdbcOdbcDriver";
String mydsn = "jdbc:odbc:shop";
String wordxx;
query(driverName,mydsn,props,out,resp,sentance);
//End Connection -----------------------------------------------
out.println("</body>");
out.println("</html>");
}
public void init(ServletConfig cfg) throws ServletException
{
super.init(cfg);
}
public void destroy()
{
super.destroy();
}
private void query (String driverName , String connectionURL , java.util.Properties props ,java.io.PrintWriter out, HttpServletResponse resp, String sentance)
{
boolean rc = true;
Connection con = null;
Statement stmt = null;
ResultSet rs = null;
//int charlen
//char lastchar =
String query = "SELECT * FROM keywords WHERE mykeywords like '%"+sentance+"%'";
out.println(query);
String keyword = "";
try
{
Class.forName(driverName).newInstance();
con = DriverManager.getConnection(connectionURL, props);
stmt = con.createStatement();
rs = stmt.executeQuery(query);
out.println(sentance);
while (rs.next())
{
keyword=rs.getString(3);
String ProdID=rs.getString(2);
out.println("
");
out.println(ProdID);
out.println(keyword);
//username=rs.getString(2);
//validlogin = true;
}
/*
out.println("
");
while (st.hasMoreTokens())
{
wordnow = st.nextToken();
if (wordnow.equalsIgnoreCase(wordis))
{
out.println("Found It");
}
else
{
int wordlen = wordnow.length();
if (wordlen>1)
{
wordlen = wordlen-1;
}
String wordnow2 = wordnow.substring(0, wordlen);
if (wordnow2.equalsIgnoreCase(wordis))
{
out.println("Found It");
}
else
{
int wordislen = wordis.length();
if (wordislen>1)
{
wordislen = wordislen-1;
wordis2 = wordis.substring(0, wordislen);
}
if (wordnow.equalsIgnoreCase(wordis2))
{
out.println("Found It");
}
}
}
}
*/
}
catch (Exception ex)
{
out.println("Exception Could not Connect to DB!");
}
finally
{
try
{
if (rs != null)
{
rs.close();
}
if (stmt != null)
{
stmt.close();
}
if (con != null)
{
con.close();
}
}
catch (Exception ex)
{
// Do Nothing here
}
}
}
}Fehlermeldung bei : lastchar = wordnow.charAt(wlen);
Kann mir jemand weiterhelfen...weiß mir keinen Rat mehr.....
Vielen vielen Dank ...
)))
