Getting and Setting the Selected Item in a JComboBox Component

  

import javax.swing.JComboBox;

public class Main {
  public static void main(String[] argv) throws Exception {
    String[] items = { "item1", "item2" };
    JComboBox cb = new JComboBox(items);

    // Get current value
    Object obj = cb.getSelectedItem(); 

    // Set a new value
    cb.setSelectedItem("item2");
    obj = cb.getSelectedItem(); 

    // If the new value is not in the list of valid items, the call is ignored
    cb.setSelectedItem("item3");
    obj = cb.getSelectedItem(); 
  }
}

Related examples in the same category

1.	Combobox combines a button or editable field and a drop-down list.
2.	Using drop-down lists
3.	A fancy example of JComboBox with a custom renderer and editor
4.	Editable ComboBox
5.	Create a simple combobox
6.	Font Chooser ComboBox
7.	Color combobox renderer
8.	Select the combobox by choose the nearby label
9.	ComoboBox loads and saves items automatically from a file
10.	Sharing a Model between a JList and JComboBox
11.	ComboBox Demo 2
12.	Custom ComboBox with Image
13.	ComboBox Demo
14.	List: Shared Data Sample
15.	Selecting Combo Sample
16.	MultiKey Combo
17.	PopupCombo Sample
18.	Dual Sample: JList and ComboBox
19.	ComboBox Sample
20.	Color ComboBox: ComboBoxEditor Demo
21.	Determining When the Menu of a JComboBox Component Is Displayed
22.	Listening for Action Events from a JComboBox Component
23.	Listening for Changes to the Selected Item in a JComboBox Component
24.	Setting the Number of Visible Items in the Menu of a JComboBox Component
25.	Displaying the Menu in a JComboBox Component Using a Keystroke If the Selected Item Is Not Unique
26.	Displaying the Menu in a JComboBox Component Using a Keystroke
27.	Determining If the Menu of a JComboBox Component Is Visible
28.	Selecting an Item in a JComboBox Component with Multiple Keystrokes
29.	Adding and Removing an Item in a JComboBox Component
30.	Add an item after the first item
31.	Add an item to the end of the list
32.	Remove first item
33.	Remove the last item
34.	Remove all items
35.	Getting the Items in a JComboBox Component
36.	If the combobox is editable, the new value can be any value
37.	Creating a read-only and editable JComboBox Component
38.	ArrayListComboBoxModel Demo
39.	A frame with a sample text label and a combo box for selecting font faces

Getting and Setting the Selected Item in a JComboBox Component : ComboBox « Swing JFC « Java

Related examples in the same category