Consider the following code snippet: import ____________________ import java.awt.event.ActionListener; /** An action listener that prints. */ public class ClickListener implements ActionListener { public void actionPerformed(ActionEvent event) { System.out.println(“I was clicked.”); } } Which of the following statements will complete this code?

Consider the following code snippet: Vehicle aVehicle = new Auto(); aVehicle.moveForward(200); Assume that the Auto class inherits from the Vehicle class, and both classes have an implementation of the moveForward method with the same set of parameters and the same return type. What determines which class’s moveForward method is to be executed?

To test whether an object belongs to a particular type, use

Consider the following code snippet: Map scores; If you need to visit the keys in sorted order, which of the following statements will create a structure to support this?

Consider the following code snippet: public static void sort(int; int j = i; while (j > 0 && a > next) { a = a; j–; } a = next; } } What sort algorithm is used in this code?

To test whether an object belongs to a particular type, use

Consider the following code snippet: Map scores; If you need to visit the keys in sorted order, which of the following statements will create a structure to support this?

Consider the following code snippet, assuming that filename represents the name of the output file and writeData outputs the data to that file: try (PrintWriter outputFile = new PrintWriter(filename)) { writeData(outputFile); } Which of the following statements about this code is correct?

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?

If the makeMenuItem method is called four times, at most how many different actions can be performed by these four newly created MenuItem objects when the doSomethingElse method is called? public JMenuItem makeMenuItem(String menuLabel) { JMenuItem mi = new JMenuItem(menuLabel); class MyMenuListener implements ActionListener { public void actionPerformed(ActionEvent e) { doSomethingElse(e); } } mi.addActionListener(new MyMenuListener()); return mi; }