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

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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