Assume the existence of an interface, ActionListener, with the following method: – actionPerformed: void-returning, accepts no parameters Define a class, GUIApplication, that implements the above interface and has the following members:- an instance variable, doc, of type Document-a constructor that accepts a Document parameter used to initialize the instance variable-an implementation of the actionPerformed method that invokes the method, save, with the document instance variable as the receiver and sends the message “document saved” to System.out

LANGUAGE: JAVA

CHALLENGE:

Assume the existence of an interface, ActionListener, with the following method: – actionPerformed: void-returning, accepts no parameters Define a class, GUIApplication, that implements the above interface and has the following members:- an instance variable, doc, of type Document-a constructor that accepts a Document parameter used to initialize the instance variable-an implementation of the actionPerformed method that invokes the method, save, with the document instance variable as the receiver and sends the message “document saved” to System.out

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