SWING - ActionEvent Class

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This class is defined in java.awt.event package. The ActionEvent is generated when button is clicked or the item of a list is double-clicked.

Class Declaration

Following is the declaration for java.awt.event.ActionEvent class −

public class ActionEvent
   extends AWTEvent

Field

Following are the fields for java.awt.event.ActionEvent class −

• static int ACTION_FIRST − The first number in the range of IDs used for action events.

• static int ACTION_LAST − The last number in the range of IDs used for action events.

• static int ACTION_PERFORMED − This event ID indicates that a meaningful action has occured.

• static int ALT_MASK − The alt modifier.

• static int CTRL_MASK − The control modifier.

• static int META_MASK − The meta modifier.

• static int SHIFT_MASK − The shift modifier.

Class Constructors

Sr.No.	Constructor & Description
1	ActionEvent(java.lang.Object source, int id, java.lang.String command) Constructs an ActionEvent object.
2	ActionEvent(java.lang.Object source, int id, java.lang.String command, int modifiers) Constructs an ActionEvent object with modifier keys.
3	ActionEvent(java.lang.Object source, int id, java.lang.String command, long when, int modifiers) Constructs an ActionEvent object with the specified modifier keys and timestamp.

Class Methods

Sr.No.	Method & Description
1	java.lang.String getActionCommand() Returns the command string associated with this action.
2	int getModifiers() Returns the modifier keys held down during this action event.
3	long getWhen() Returns the timestamp of when this event occurred.
4	java.lang.String paramString() Returns a parameter string identifying this action event.

Methods Inherited

This class inherits methods from the following classes −

• java.awt.AWTEvent
• java.util.EventObject
• java.lang.Object