Chapter 13, Problem 10AW

Explanation of Solution

Lambda expression in JavaFX application:

• Lambda expression can be used to simplify coding for event handling.
• Using a lambda expression, user can create and register an event handler for the particular control in a JavaFX application.

Example:

The example for lambda expression is shown below:

radiobutton1.setOnAction(event ->

{

displayLabel.setText("The given option is selected");

});

Here,

• The “radiobutton1” represents the name of a RadioButton control.
• The “displayLabel” represents the name of a Label control.
• Defines the given text “The given option is selected” in “TextArea” control using “setText()” method.

Lambda expression to register an event handler with the “RadioButton” control:

radio1...