this is the program for thread in sql, plz check is it right or not

import java.io.*; import java.sql.*; public class dk { public static void main(String[] args)throws IOException { BufferedReader br=new BufferedReader(new InputStreamReader( System.in)); String rno,name,dept,mark; System.out.println("enter the value(rno,name,mark,dept)to be inserted"); rno=br.readLine(); name=br.readLine(); mark=br.readLine(); dept=br.readLine(); int r1no=Integer.parseInt(rno); int mark1=Integer.parseInt(mark); try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); Connection con=DriverManager.getConnection("jdbc:odbc:krmicro","scott","tiger"); PreparedStatement st=con.prepareStatement("insert into newtable values(?,?,?,?)"); st.setInt(1,r1no); st.setString(2,name); st.setInt(3,mark1); st.setString(4,dept); st.executeUpdate(); } catch(Exception e) { System.out.println(e); } } }