In AWT, what is a common way to add event handling to a button?
Understand the Problem
The question is asking about the proper way to handle button click events in Java's Abstract Window Toolkit (AWT). Specifically it is asking us which listener will allow us to execute code when a button is clicked.
Answer
Add an ActionListener to the button and implement the actionPerformed method.
In AWT, a common way to add event handling to a button is by using an ActionListener. You add an ActionListener to the button, and implement the actionPerformed method to define the actions to be performed when the button is pressed.
Answer for screen readers
In AWT, a common way to add event handling to a button is by using an ActionListener. You add an ActionListener to the button, and implement the actionPerformed method to define the actions to be performed when the button is pressed.
More Information
The ActionEvent class is used to represent that a component-defined action occurred. This high-level event is generated by a component (such as a Button) when the component-specific action occurs (such as being pressed). The event is passed to every ActionListener object that registered to receive such events using the component's addActionListener method.
Tips
A common mistake is forgetting to implement the actionPerformed method, which results in the button click not triggering any action. Ensure that the ActionListener is properly added to the button instance.
Sources
- How to Write an Action Listener (The Java™ Tutorials ... - docs.oracle.com
- swing - How to add actions to a button in java - stackoverflow.com
- Java AWT Button - geeksforgeeks.org
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