I have one more query...
actually in my code i am writing the method as run() method for MyThread class. and I am passing three parameters for
thread class constructor like
public MyThread(Connection con,Writer out,int no){
this.con=con;
this.out=out;
this.no=no;
}
what i believe is , in java the parameters are passed by reference, if they are object. so if I am calling this constructor from a separate jsp page. then it should show me all html data , which i have written in out.write() in the run() method.
but it is not showing anything thrown from this class .......
please help
thanx and regds
Deepika
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| here is entire code for MyThread.java |
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package chetana;
import java.sql.*;
import java.io.*;
public class MyThread extends Thread {
public Connection con;
public Writer out;
public int no;
public ResultSet rs;
public ResultSet rscount;
public Statement stmt1;
public Statement stmt2;
public MyThread(Connection con,Writer out,int no){
this.con=con;
this.out=out;
this.no=no;
}
public void run(){
int msgno;
int replycount;
try{
stmt1=con.createStatement();
rs = stmt1.executeQuery("select * from message where parentmessage="+no);
if(rs != null){
while(rs.next())
{
msgno =Integer.parseInt(rs.getString(1));
String subpass=rs.getString(2);
out.write("<a href=\"/chetana-testing/msg.jsp?no="+msgno+ "\">");
out.write(subpass+"</a>");
out.write(rs.getString(3));
stmt2= con.createStatement();
rscount= stmt2.executeQuery("select count(messageno) from message where parentmessage="+msgno);
rscount.next();
replycount=Integer.parseInt(rscount.getString(1));
out.write("("+replycount+")<br>");
// if this message is having child threads - ie replies
if (replycount >0) {
out.write(" --");
//recursive call to MyThread class object : to show the reply message as main message
(new MyThread(con,out,msgno)).start();
}
rscount.close();
stmt2.close();
}
}
rs.close();
stmt1.close();
}catch(Exception e){}
}
}
