Already defined scrollPane for JList..but duzen appear...plzz elp..real thx

Question

I already defined JScrollPane for my JList...but it juz duzen wanna appear...i cant see anything wrong wid the code...plzz elp me solve this....i'd be really grateful...thanks alot ppl...da code is below:
import java.awt.*;
import javax.swing.*;
class DrawGUI extends JFrame {
     String [] names = {"Jasima Bte Syed Syed Sulaiman",
                              "Yang Shulei",
                              "Nur Farina",
                              "Lee Chee Chong",
                              "Wang Ding Yu",
                              "Sanjeev Singh",
                              "Testing please",
                              "wrk"};
     JList contactList = new JList(names);
     JScrollPane scrollPane = new JScrollPane(contactList);
     JButton btnAddContact = new JButton("Add Contact");
     JButton btnDeleteContact = new JButton("Delete Contact");
     JButton btnEditContact = new JButton("Edit Contact");
     JButton btnSearchContact = new JButton("Search");
     JLabel lblCurrentList = new JLabel("Current List of Contacts",JLabel.CENTER);
     JLabel lblSearch = new JLabel("Type in the Name of the Contact",JLabel.LEFT);
     JLabel lblProfile = new JLabel("Profile of Contact",JLabel.LEFT);
     JLabel lblPhoto = new JLabel(new ImageIcon("jasima.jpg"));
     JLabel lblName = new JLabel("Name: Jasima Bte Syed Sulaiman",JLabel.LEFT);
     JLabel lblNickname = new JLabel("Nickname: DJk|ddGA|",JLabel.LEFT);
     JLabel lblEmail = new JLabel("E-Mail Address: [email protected]",JLabel.LEFT);
     JLabel lblAddress = new JLabel("Address: Blk 123 Kuching Street #11-222",JLabel.LEFT);
     JLabel lblPostalCode = new JLabel("Postal Code: Singapore 650346");
     JLabel lblContactNoHome = new JLabel("Contact No(Home): 652123",JLabel.LEFT);
     JLabel lblContactNoMobile = new JLabel("Contact No(Mobile): 90029856",JLabel.LEFT);
     JTextField txtSearch = new JTextField();
     AddContactButtonListener addContactButtonListener = new AddContactButtonListener();
     EditContactButtonListener editContactButtonListener = new EditContactButtonListener();
     SearchContactButtonListener findContactButtonListener = new SearchContactButtonListener();
     public DrawGUI() {
          Container c = getContentPane();
          c.setLayout(null);
          c.add(contactList);
          c.add(scrollPane);
          c.add(btnAddContact);
          c.add(btnDeleteContact);
          c.add(btnEditContact);
          c.add(btnSearchContact);
          c.add(lblCurrentList);
          c.add(lblSearch);
          c.add(lblProfile);
          c.add(lblPhoto);
          c.add(lblName);
          c.add(lblNickname);
          c.add(lblEmail);
          c.add(lblAddress);
          c.add(lblPostalCode);
          c.add(lblContactNoHome);
          c.add(lblContactNoMobile);
          c.add(txtSearch);
          btnAddContact.addActionListener(addContactButtonListener);
          btnEditContact.addActionListener(editContactButtonListener);
          btnSearchContact.addActionListener(findContactButtonListener);
          contactList.setBounds(200,100,270,110);
          btnAddContact.setBounds(10,100,150,40);
          btnDeleteContact.setBounds(10,150,150,40);
          btnEditContact.setBounds(10,200,150,40);
          btnSearchContact.setBounds(380,335,90,30);
          lblCurrentList.setBounds(200,55,140,40);
          lblSearch.setBounds(200,250,200,40);
          lblProfile.setBounds(510,55,200,40);
          lblPhoto.setBounds(510,100,100,98);
          lblName.setBounds(510,250,300,20);
          lblNickname.setBounds(510,270,300,20);
          lblEmail.setBounds(510,290,300,20);
          lblAddress.setBounds(510,310,300,20);
          lblPostalCode.setBounds(510,330,300,20);
          lblContactNoHome.setBounds(510,350,300,20);
          lblContactNoMobile.setBounds(510,370,300,20);
          txtSearch.setBounds(200,295,270,30);
          setSize(800,500);
          setTitle("Contact Book");
          setVisible(true);
          setResizable(false);
          

Answer 1

you should only be adding the scrollPane to the container not the list itself.