title: ItemListener does not work
body: <p>why does my combo box doesn't perform the things I have declared in the ItemListener? When I click an item inside the combo box, the program hangs I need to close the entire BlueJ. Please take a look what is wrong in my code</p>
  
  <pre><code>import java.awt.*;
  import java.awt.event.*;
  import javax.swing.*;
  import java.util.*;
  
  public class HulaHoops {
  
  private Scanner inp = new Scanner(System.in);
  
  public static void main(String[]args) {
      EventQueue.invokeLater(new Runnable()
      {
          @Override
          public void run()
          {
              new HulaHoops();
          }
      });
  }
  
  public HulaHoops() {
      JFrame frame = new JFrame();
      JPanel panel = new JPanel();
      String choices[] = {"Shoes","Comb","Ball"};
      JComboBox combo = new JComboBox(choices);
      combo.setBackground(Color.gray);
      combo.setForeground(Color.red);
      panel.add(combo);
      frame.add(panel);
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.setSize(300,100);
      frame.setVisible(true);
  
  
      combo.addItemListener(new ItemListener () {
          @Override
          public void itemStateChanged(ItemEvent e)
          {
              String item = (String)e.getItem();
              if (e.getStateChange () == ItemEvent.SELECTED)
              {
                  System.out.println("You chose " +item);
                      if (item == "Shoes")
                      {
                          System.out.println("Enter quantity: ");
                          int bilang = inp.nextInt();
                          int total = bilang * 99;
                          String order = bilang + " " + "Shoes " + "     " + total;
                          System.out.print("" + order);
                      }
  
                      else if (item == "Comb")
                      {
                          System.out.println("Enter quantity: ");
                          int bilang = inp.nextInt();
                          int total1 = bilang * 99;
                          String order1 = bilang + " " + "Comb " + "     " + total1;
                          System.out.print("" + order1);
                      }
  
                      else if (item == "Ball")
                      {
                          System.out.println("Enter quantity: ");
                          int bilang = inp.nextInt();
                          int total2 = bilang * 99;
                          String order2 = bilang + " " + "Ball " + "     " + total2;
                          System.out.print("" + order2);
                      }
              }
  
          }
      });
  }
  </code></pre>
  
  <p>}</p>