What is the ploblem with this code?

Question

class lol
Connection con;
ResultSet rs;
String query="";
String scno,bcrcno,prno,prdt,billamt,misamt,miscd,reconchg;
lol()
try{
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
String ServerName="127.0.0.1";
String portnum="1521";
String sid="GRC";
String url="jdbc:oracle:thin:@"+ServerName+":"+portnum+":"+sid;
con = DriverManager.getConnection(url,"scott"," tiger");
con.setAutoCommit(true);
Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);
query="select ptscno,ptbcrno,ptprno,to_char(ptprdt,'yyyy-mm-dd'),ptblamt,ptmisamt,ptmisamtcd,ptreconchg from payment";
rs=stmt.executeQuery(query);
     while(rs.next())
          java.sql.Date myDate = new java.sql.Date(System.currentTimeMillis());
          rs.updateDate(4, myDate);
          System.out.println(myDate);
          rs.updateRow();
          con.commit();
          con.close();
}catch(Exception e)
System.out.println("connection failed :"+e);
public static void main(String lol[])
new lol();
thanq in advance,
stalin

Answer 1

that was just a simple code,
all other fields are updating except the Date field where i use updateDate method.
please explain or show me some example to update the date filed.
thanq in advance.
stalin.