import javax.swing.*;
import javax.swing.table.*;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
public class Customer extends JFrame
{
          //Variables of labels
          JLabel   Heading;
          JLabel   labelCustNo;
          JLabel   labelCustName;
          JLabel   labelCustSex;
          JLabel   labelCustAge;
           //Variables for data entry controls
          JTextField   textCustNo;
          JTextField   textCustName;
          JComboBox    comboCustSex;
          JTextField   textCustAge;

          Customer() {
          super("Customer");
          Container con;
          con=this.getContentPane();
          con.setLayout(new FlowLayout());

                labelCustNo = new JLabel("Customer Number");
                labelCustName = new JLabel(" Name");
                labelCustSex = new JLabel("Sex");
                labelCustAge = new JLabel("Age");
                //Initializing textfield
                textCustNo = new JTextField(20);
                textCustName = new JTextField(25);
                textCustAge = new JTextField(2);
                      String Sex[] = { "Male", "Female"};
                      comboCustSex = new JComboBox(Sex);
                      //Adding controls for Customer Number
                      con.add(labelCustNo);
                      con.add(textCustNo);
                      //Adding controls for Customer Name
                      con.add(labelCustName);
                      con.add(textCustName);
                      //Adding controls for Customer Sex
                      con.add(labelCustSex);
                      con.add(comboCustSex);
                                  //Adding controls for Customer Age
                                  con.add(labelCustAge);
                                  con.add(textCustAge);
                                  //close the program when close buton is clicked
                      setDefaultCloseOperation(EXIT_ON_CLOSE);
                      setSize(350,250);
                      show();
                  }
                  
          public static void main(String[] args)
            {
                                  Customer cust=new Customer();
            }
}