registration

public void registration(){
String str1 = R_N.getText();
String str2 = R_CN.getText();
String str3 = R_EI.getText();
String str4 = R_A.getText();
String str5 = R_U.getText();
char[] pwd = R_P.getPassword();
String s = new String(pwd);  //converting char to string
String p = s;
char[] pw = R_RP.getPassword();
String f = new String(pw);  //converting char to string
String l = f;
Connection conn=null;
PreparedStatement ps=null;

if("".equals(str1)){
       JOptionPane.showMessageDialog(null, "Name is Empty", "Registration Status", JOptionPane.ERROR_MESSAGE);
     }
       else if("".equals(str2)){
       JOptionPane.showMessageDialog(null, "Contact Number is Empty", "Registration Status", JOptionPane.ERROR_MESSAGE);
     }
       else if("".equals(str3)){
       JOptionPane.showMessageDialog(null, "Email ID is Empty", "Registration Status", JOptionPane.ERROR_MESSAGE);
     }
       else if("".equals(str4)){
       JOptionPane.showMessageDialog(null, "Address is Empty", "Registration Status", JOptionPane.ERROR_MESSAGE);
     }
       else if("".equals(str5)){
       JOptionPane.showMessageDialog(null, "User Name is Empty", "Registration Status", JOptionPane.ERROR_MESSAGE);
     }

        else if((p.length()) == 0)
          {
JOptionPane.showMessageDialog(null, "Password is Empty", "Registration Status", JOptionPane.ERROR_MESSAGE);
            }
        else if((l.length()) == 0)
          {
JOptionPane.showMessageDialog(null, "Retype the password", "Registration Status", JOptionPane.ERROR_MESSAGE);
            }
        else if(p.equals(l))
          {
              try{
            Class.forName("com.mysql.jdbc.Driver");
            conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/hotel","root","root");
            Statement stmt=conn.createStatement();
            ps=conn.prepareStatement("insert into details values(?,?,?,?,?,?,?)");
            ps.setString(1, str5);
            ps.setString(2, p);
            ps.setString(3, str1);
            ps.setString(4, str2);
            ps.setString(5, str3);
            ps.setString(6, str4);
            ps.setString(7, str6);
            int i=ps.executeUpdate();
            if(i>0){
                JOptionPane.showMessageDialog(null, "Registration Successful", "Registration Status", JOptionPane.INFORMATION_MESSAGE);
                R_N.setText("");
                R_CN.setText("");
                R_EI.setText("");
                R_A.setText("");
                R_U.setText("");
                R_P.setText("");
                R_RP.setText("");
                int reply = JOptionPane.showConfirmDialog(null, "Please Login", "Registration Status", JOptionPane.OK_OPTION);

                if (reply == JOptionPane.OK_OPTION)
                {

                }

                else
                {
                    while(reply == JOptionPane.NO_OPTION){
                     reply = JOptionPane.showConfirmDialog(null, "Please Login", "Registration Status", JOptionPane.OK_OPTION);
                     if (reply == JOptionPane.OK_OPTION)
                {

                    }
                }

            }
            }
                else{
           JOptionPane.showMessageDialog(null, "Registration Unsuccessful.Check Internet or contact us.", "Registration Status", JOptionPane.ERROR_MESSAGE);
              }
            }
              catch(Exception e){
                 JOptionPane.showMessageDialog(null, e);
              }
              }
        else{
            JOptionPane.showMessageDialog(null, "Password Doesnot Match", "Login Status", JOptionPane.ERROR_MESSAGE);
        }
}