Use a string array as the data for JComboBox in Java

 //from w  w  w  . j a  v a2  s.  co m
import javax.swing.JComboBox;
import javax.swing.JFrame;

public class Main {

  public static void main(String[] a) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    
    String labels[] = { "A", "B", "C", "D", "E"};
    JComboBox comboBox = new JComboBox(labels);
    
    Object cmboitem = comboBox.getSelectedItem();
    System.out.println(cmboitem);
    
    frame.setLayout(new java.awt.FlowLayout());
    frame.add(comboBox);

    frame.setSize(300, 200);
    frame.setVisible(true);
  }

}