What is an ActionEvent?
What is an ActionEvent?
What is an ActionEvent? – An action event is a semantic event which indicates that a component-defined action occurred. – The ActionListener interface gets this ActionEvent when the event occurs. – Event like Button pressed is an action event.
What is the use of string getActionCommand () method of the ActionEvent class?
getActionCommand. Returns the command string associated with this action. This string allows a “modal” component to specify one of several commands, depending on its state. For example, a single button might toggle between “show details” and “hide details”.
What is the name of the method used to get the timestamp of an event in a WT action event class?
long getWhen()
long getWhen() Returns the timestamp of when this event occurred.
What object that can generate action event?
Events are generated by components. When the user clicks on a button, for example, an action event is generated. Each component that can generate action events has a method called addActionListener.
What is e getActionCommand ()?
getActionCommand() gives you a String representing the action command. The value is component specific; for a JButton you have the option to set the value with setActionCommand(String command) but for a JTextField if you don’t set this, it will automatically give you the value of the text field.
Which method of ActionEvent class returns the command name for the invoking ActionEvent object?
Online Test
12. | Which of these methods can be used to obtain the command name for invoking ActionEvent object? |
---|---|
a. | getCommand() |
b. | getActionCommand() |
c. | getActionEvent() |
d. | getActionEventCommand() |
Which argument of ActionEvent indicates which key is pressed?
Explanation: The getModifiers() methods returns a value that indicates which modifiers keys (ALT, CTRL, META, SHIFT) were pressed when the event was generated.
Which method can be used to obtain the command name for invoking ActionEvent object?
How to use actions in Photoshop?
In Photoshop’s top menu, go to Window > Actions to open the Actions palette. You can also click the Actions menu icon—the play button—in the right toolbar.
How do I open the actions palette in Photoshop?
In Photoshop’s top menu, go to Window > Actions to open the Actions palette. You can also click the Actions menu icon—the play button—in the right toolbar. Click on the Actions palette’s local menu button (four lines) in the top right corner. And select ‘Load Actions’.
How do I open the actions panel in Photoshop?
It looks like a Play button. If you hover over it, it says Actions. Click on this button to open up the Actions panel in Photoshop. You can show or hide the action panel by pressing the Alt + F9 key or use the menus: Window > Actions.
How do I create an action in the action panel?
In the Actions panel, click the Create New Action button , or choose New Action from the Actions panel menu. Enter an action name, select an action set, and set additional options: