Java JComboBox
The object of Choice class is used to show popup menu of choices. Choice selected by user is shown on the top of a menu. It inherits JComponent class.
JComboBox class declaration
Let's see the declaration for javax.swing.JComboBox class.
Commonly used Constructors:
Constructor |
Description |
JComboBox() |
Creates a JComboBox with a default data model. |
JComboBox(Object[] items) |
Creates a JComboBox that contains the elements in the specified array. |
JComboBox(Vector<?> items) |
Creates a JComboBox that contains the elements in the specified Vector. |
Commonly used Methods:
Methods |
Description |
void addItem(Object anObject) |
It is used to add an item to the item list. |
void removeItem(Object anObject) |
It is used to delete an item to the item list. |
void removeAllItems() |
It is used to remove all the items from the list. |
void setEditable(boolean b) |
It is used to determine whether the JComboBox is editable. |
void addActionListener(ActionListener a) |
It is used to add the ActionListener. |
void addItemListener(ItemListener i) |
It is used to add the ItemListener. |
Java JComboBox Example
Output:
Java JComboBox Example with ActionListener
Output:
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