Author: Anonymous

Which of the following is false about achieving complex layouts?

Assume that you have declared a set named mySet to hold String elements. Which of the following statements will correctly delete an element from mySet?

Which String class method will remove spaces from the beginning and the end of a string?

The sort method of the Arrays class sorts arrays containing objects of classes that implement the ____ interface.

If the method makeMenuItem is called four times, how many MyMenuListener objects will be created? public JMenuItem makeMenuItem(String menuLabel) { JMenuItem mi = new JMenuItem(menuLabel); class MyMenuListener implements ActionListener { public void actionPerformed(ActionEvent e) { doSomething(); } } mi.addActionListener(new MyMenuListener()); return mi; }

The term ____ is used in computer science to describe an access pattern in which the elements are accessed in arbitrary order.

If the method makeMenuItem is called four times, how many MyMenuListener objects will be created? public JMenuItem makeMenuItem(String menuLabel) { JMenuItem mi = new JMenuItem(menuLabel); class MyMenuListener implements ActionListener { public void actionPerformed(ActionEvent e) { doSomething(); } } mi.addActionListener(new MyMenuListener()); return mi; }

Based on the statement below, which of the following adds a title to the border? JPanel panel = new JPanel();

To process keyboard events, you need to define a class that implements the ____ interface.

What must a subclass do to modify a private superclass instance variable?