Where can close the objects when i am using prepareStatement

Question

hi,
where can close the objects when i am using prepareStatement
the following is code i am using.
Connection connection;
     PreparedStatement prepare;
     JTextField tfStateNameEng;
     JTextField tfStateNameKan;
     JButton save;
     public DynamicSQL(){
try{
     Class.forName("com.mysql.jdbc.Driver");
connection=DriverManager.getConnection("jdbc:mysql://localhost:3306/kantest","gk","gk");
     String sql ="insert into daya (Name,Name_KAN) values (?,?)";
     prepare = connection.prepareStatement(sql);
}catch(Exception e){System.out.println(e);}
     tfStateNameEng = new JTextField(20);
     tfStateNameKan = new JTextField(20);
     save = new JButton("save");
     save.addActionListener(this);
     this.getContentPane().add(tfStateNameEng,"North");
     this.getContentPane().add(tfStateNameKan,"Center");
     this.getContentPane().add(save,"South");
     pack();
     setVisible(true);
     setDefaultCloseOperation(EXIT_ON_CLOSE);
public void actionPerformed(ActionEvent ae){
     try{
          prepare.clearParameters();
          prepare.setString(1,tfStateNameEng.getText());
          prepare.setString(2,tfStateNameKan.getText());
          prepare.executeUpdate();
          }catch(Exception e){System.out.println(e);}
/*try{
          //     connection.close(); // if going to close object here then it won't work
               //prepare.close();//next time.
          }catch(Exception e){} */
     public static void main(String args[]){
          new DynamicSQL();
thanks
daya

Answer 1

hello,
ok.
thanks
daya