Explain how default methods enable you to add new methods to an existing interface without breaking the classes that implemented the original interface.
What will be an ideal response?
A default method provides a complete body with the method’s default implemen- tation. This allows you to add new methods to an interface and any class that implements the interface but does not override the default methods simply inherits the default implementations.
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Which of the following statements is false?
a. SwingWorker method publish repeatedly sends intermediate results to method process, which displays the results in a GUI component. Method setProgress updates the progress property. b. Method process executes in the event dispatch thread and receives data from method publish. The passing of values between publish in the worker thread and process in the event dispatch thread is synchronous; process is not necessarily invoked for every call to publish. c. PropertyChangeListener is an interface from package java.beans that defines a single method, propertyChange. d. Every time method setProgress is invoked, a PropertyChangeEvent is generated to indicate that the progress property has changed.
After you have been working on a paragraph for a while, most likely some lines will have become too short and others too long. Is there a command to “neaten up” the paragraph without rebreaking all the lines by hand?
What will be an ideal response?
The ________ option will stretch a title to span across the top of a page
A) Expanded B) Positioning C) Kerning D) Condensed
What kind of methods are appropriate to implement in an abstract class?
What will be an ideal response?