Using the merge method of the Map interface, which statement correctly updates the salesTotalByDept map of type Map to update the sales total for a dept by an integer sales value?

When reading words using a Scanner object’s next method, ____.

Consider the following code snippet: public class Vehicle { protected int numberAxles; . . . } Which statement is true about the accessibility of data in the numberAxles variable?

Which of the following statements about the TreeSet class is NOT correct?

Consider the scope of the three objects menuLabel, mi, and the anonymous object new MyMenuListener() within the JmenuItem class. How do thier lifetimes compare? public JMenuItem makeMenuItem(final String menuLabel) { JMenuItem mi = new JMenuItem(menuLabel); class MyMenuListener implements ActionListener { public void actionPerformed(ActionEvent e) { doSomethingElse(); System.out.println(menuLabel); } } mi.addActionListener(new MyMenuListener()); return mi; }

In recursion, the non-recursive case is analogous to a loop ____.

The _______ interface toolkit has a large set of user-interface components.

To use an interface, a class header should include which of the following?

Assume inputFile is a Scanner object used to read data from a text file that contains a number of lines.  Each line contains an arbitrary number of words, with at least one word per line.  Select an expression to complete the following code segment, which prints the last word in each line. while (inputFile.hasNextLine()) { String word = “”; String line = inputFile.nextLine(); Scanner words = new Scanner(line); while (_________________) { word = words.next(); } System.out.println(word); }

In recursion, the non-recursive case is analogous to a loop ____.