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"}
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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.
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
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
Validation rules are rules that a user must follow when entering the data.
Answer the following statement true (T) or false (F)