JDBC : Deletion using Statement Interface

package com.pack1;

import java.io.DataInputStream;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class DeleteQueryEx {
    
         public static void main(String[] args){
        Connection con = null;
        Statement stmt = null;
        ResultSet rs = null;
        try {
            Class.forName("org.apache.derby.jdbc.ClientDriver");
            String url = "jdbc:derby://localhost:1527/hari";
            con = DriverManager.getConnection(url, "app","app");
            stmt = con.createStatement();
            System.out.println("Please enter the employee number");
            DataInputStream din = new DataInputStream(System.in);
            String ids = din.readLine();
            int id = Integer.parseInt(ids);            
            
            String query = "delete from MYEMP where ENO = "+id;
            int count = stmt.executeUpdate(query);                       
                System.out.println(count + " Records deleted.");            
            
            
        } catch (ClassNotFoundException ex) {
            ex.printStackTrace();
        }catch (SQLException ex1) {
            ex1.printStackTrace();
        }catch(IOException ex3){
            ex3.printStackTrace();
        }
        
       // System.out.println("Hi");
    
    }
    
}