Maximum & minimum operation using java gui.

Source code of maximum & minimum operation in java gui

Maximum code..

try{
            String sql = "select min(age) from user";
            pst = con.prepareStatement(sql);
            rs = pst.executeQuery();
            if(rs.next()){
                String sum = rs.getString("min(age)");
                jTextField_count.setText(sum);
            }
        }catch(SQLException e){
            JOptionPane.showMessageDialog(null, e);
        }

Minimum code..

try{
            String sql = "select min(age) from user";
            pst = con.prepareStatement(sql);
            rs = pst.executeQuery();
            if(rs.next()){
                String sum = rs.getString("min(age)");
                jTextField_count.setText(sum);
            }
        }catch(SQLException e){
            JOptionPane.showMessageDialog(null, e);
        }

Interface of after run the page.