100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
(WGU D286) ITWS 3172 Java Fundamentals Comprehensive OA 2024 $9.99   Add to cart

Exam (elaborations)

(WGU D286) ITWS 3172 Java Fundamentals Comprehensive OA 2024

 64 views  3 purchases

(WGU D286) ITWS 3172 Java Fundamentals Comprehensive OA 2024(WGU D286) ITWS 3172 Java Fundamentals Comprehensive OA 2024(WGU D286) ITWS 3172 Java Fundamentals Comprehensive OA 2024

Preview 3 out of 19  pages

  • July 10, 2024
  • 19
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
All documents for this subject (73)
avatar-seller
ClementeO
D286 ITSW 3172


Java Fundamentals


Comprehensive Objective
Assessment


2024

,1. Multiple Choice: What is the output of the following Java code snippet?



```java

int x = 5;

int y = ++x;
System.out.println(y);

```



A) The code will not compile

B) 5
C) 6

D) 10



Correct Answer: C) 6

Rationale: The increment operator `++x` first increments the value of x by
1, and then assigns the result to y. Therefore, y will be 6.



2. Fill in the Blank: In Java, an abstract class cannot be _______ directly.



Correct Answer: instantiated

Rationale: Abstract classes are meant to be subclassed, and you cannot
create an instance of an abstract class.

, 3. True/False: The `equals()` method in Java compares the memory
addresses of two objects.



Correct Answer: False

Rationale: The `equals()` method in Java is used to compare the actual
contents of two objects, not their memory addresses.



4. Multiple Choice: Which keyword is used to implement multiple
inheritances in Java?



A) abstract

B) extends

C) implements

D) super



Correct Answer: C) implements

Rationale: In Java, a class can implement multiple interfaces to achieve
multiple inheritance.



5. Fill in the Blank: The `super` keyword in Java is used to access the
_______ of the superclass.



Correct Answer: members

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller ClementeO. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $9.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

78998 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$9.99  3x  sold
  • (0)
  Add to cart