Suppose an ArrayList list contains {"red", "red", "green"}. What is the list after the following code?

```
String element = "red";
for (int i = list.size() - 1; i >= 0; i--)
if (list.get(i).equals(element))
list.remove(element);
```
a. {"red", "red", "green"}
b. {"red", "green"}
c. {"green"}
d. {}


c. {"green"}

Computer Science & Information Technology

You might also like to view...

Which of the following statements is false?

a. Each class can be used only once to build many objects. b. Reuse helps you build more reliable and effective systems, because existing classes and components often have undergone extensive testing, debugging and performance tuning. c. Just as the notion of interchangeable parts was crucial to the Industrial Revolution, reusable classes are crucial to the software revolution that has been spurred by object technology. d. Avoid reinventing the wheel—use existing high-quality pieces wherever possible. This software reuse is a key benefit of object-oriented programming.

Computer Science & Information Technology

Analyze the following code.

``` import javafx.application.Application; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.stage.Stage; public class Test extends Application { @Override // Override the start method in the Application class public void start(Stage primaryStage) { Button btOK = new Button("OK"); btOK.setOnAction(new EventHandler() { public void handle(ActionEvent e) { System.out.println("The OK button is clicked"); } }); Scene scene = new Scene(btOK, 200, 250); primaryStage.setTitle("MyJavaFX"); // Set the stage title primaryStage.setScene(scene); // Place the scene in the stage primaryStage.show(); // Display the stage } /** * The main method is only needed for the IDE with limited JavaFX * support. Not needed for running from the command line. */ public static void main(String[] args) { launch(args); } } ``` a. The program has a compile error because no handlers are registered with btOK. b. The program has a runtime error because no handlers are registered with btOK. c. The message "The OK button is clicked" is displayed when you click the OK button. d. The handle method is not executed when you click the OK button, because no handler is registered with btOK.

Computer Science & Information Technology

Which of the followingcombines several types of WAN communications into one device and can sometimes be expanded or reconfigured for changes in WAN services?

A. access server B. DSL modem C. exchange server D. remote router

Computer Science & Information Technology

Validation rules are rules that a user must follow when entering the data.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology