Create a simple combobox

  

import java.awt.BorderLayout;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.util.Vector;

import javax.swing.JComboBox;
import javax.swing.JFrame;

public class ComboBox extends JFrame {

  public ComboBox() {
    super("ComboBox");
    getContentPane().setLayout(new BorderLayout());

    Vector cars = new Vector();
    cars.addElement("1");
    cars.addElement("2");
    cars.addElement("3");

    getContentPane().add(new JComboBox(cars));

    WindowListener wndCloser = new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        System.exit(0);
      }
    };
    addWindowListener(wndCloser);

    // setResizable(false);
    pack();
    setVisible(true);
  }

  public static void main(String argv[]) {
    new ComboBox();
  }
}

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Create a simple combobox : ComboBox « Swing JFC « Java

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