Can someone help me with my code?

Question

i just want to make the add button add the text in the text field and make the remove button remove an index from the list when clicked but I cant seem to get my code to work. pls help me
thanks in advance!!!
heres my code:
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;
public class TextList2 extends JApplet implements ActionListener {     
     Container panel;
     JTextField text;     
     JButton buttonAdd;
     JButton buttonRemove;      
     JList list;     
     DefaultListModel listModel;
     GridBagLayout grid = new GridBagLayout();     
     GridBagConstraints c = new GridBagConstraints();
     public void init() {     
          panel = getContentPane();     
          panel.setLayout(grid);
          text = new JTextField(10);
          buttonAdd = new JButton("Add");     
          buttonAdd.addActionListener(new AddListener());
          buttonRemove = new JButton("Remove");
          buttonRemove.addActionListener(new RemoveListener());     
          listModel = new DefaultListModel();     
          list = new JList(listModel);     
          listModel.addElement(" ");          
          list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);     
          list.setSelectedIndex(0);
          list.setVisibleRowCount(10);
          list.setSelectionBackground(Color.pink);               
          JScrollPane listScrollPane = new JScrollPane(list);     
          c.anchor = GridBagConstraints.NORTH;     
          c.gridx = 0;     
          c.gridy = 0;     
          grid.setConstraints(text,c);     
          panel.add(text);     
          c.fill = GridBagConstraints.BOTH;     
          c.gridx = 0;     
          c.gridy = 1;     
          c.weighty = 1;     
          grid.setConstraints(list,c);     
          panel.add(listScrollPane);     
          c.fill = GridBagConstraints.NONE;     
          c.gridx = 0;     
          c.gridy = 2;     
          grid.setConstraints(buttonAdd,c);     
          panel.add(buttonAdd);
          c.gridx = 0;     
          c.gridy = 3;     
          grid.setConstraints(buttonRemove,c);     
          panel.add(buttonRemove);
     class AddListener implements ActionListener {
          public void actionPerformed(ActionEvent e) {     
               String x = text.getText();                         
               listModel.addElement(x);
     class RemoveListener implements ActionListener {
          public void actionPerformed(ActionEvent e) {
               int x = list.getSelectedIndex();
               listModel.remove(x);
     public static void main(String args[]){     
          JFrame frame = new JFrame();     
          frame.setVisible(true);     
          frame.addWindowListener(new WindowAdapter() {           
               public void windowClosing(WindowEvent e) {               
                    System.exit(0);          
          TextList2 textList2 = new TextList2();     
          textList2.init();     
          frame.getContentPane().add(textList2);     
          frame.pack();
}

Answer 1

add the method for list