Jan 21, 2013 · Use the toArray() method of the ArrayList class and pass it into the constructor of the JComboBox. See the JavaDoc and tutorial for more info. If you're doing something like …

Mar 2, 2013 · // Create an ActionListener for the JComboBox component. comboBox.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent …

Jun 1, 2022 · setActionCommand (String a) : sets the action command that should be included in the event sent to actionListeners. getUI () : returns the look and feel object that renders this …

Jun 19, 2015 · The ComboBox control has a method called setOnAction. This method takes in an EventHandler that is called as described by the documentation: The ComboBox action, which …

The combo box fires an action event when the user selects an item from the combo box's menu. See How to Write an Action Listener, for general information about implementing action listeners.

Solution: Always use .toArray (new String [0]) to convert the ArrayList into a compatible array format. Learn how to effectively populate a JComboBox with data from an ArrayList in Java, …

To detect selection changes in a JComboBox in Java, you can utilize the ActionListener interface. When a user selects a different item from the combo box, the actionPerformed () method will …

Jun 7, 2024 · In this guide, we’ll explore how to use ItemListener to respond to selection changes within your JComboBox, enabling you to create dynamic and interactive user interfaces. …

The following code shows how to create ArrayList based combobox model for JComboBox. import java.awt.Container; import java.util.ArrayList; import java.util.Collection; //w w w . ja v a 2s .co …

May 7, 2014 · I have a text field that shows one item selected at a time either from a listbox or from combobox. When the item is selected it shows its price in the text field.