Exam (elaborations)
CSIS 212 FINAL EXAM – QUESTION AND ANSWERS | Questions from real exam
- Course
- Institution
CSIS 212 FINAL EXAM – QUESTION AND ANSWERS | Questions from real exam
[Show more]
Seller
Follow
abram23
Reviews received
Content preview
CSIS 212 FINAL EXAM – QUESTION AND ANSWERS• Question 1
3 out of 3 points
Which statement below could be used to simulate the outputs of tossing a quarter to
get heads or tails? Suppose randomNumbers is a SecureRandom object.
Selected Answer: randomNumbers.nextInt(2);
• Question 2
3 out of 3 points
Overloaded methods always have the same _________.
Selected Answer: method name
• Question 3
3 out of 3 points
The identifiers in an enumeration ________.
Selected Answer: must be unique.
• Question 4
3 out of 3 points
Declaring main as static allows the JVM to invoke main ________.
Selected Answer: without creating an instance of the class in which main is declared.
• Question 5
3 out of 3 points
Variables should be declared as fields only if ________.
Selected they are required for use in more than one method or their values must be saved
Answer: between calls to the class’s methods
• Question 6
3 out of 3 points
The java.text package contains classes for manipulating all of the following items
except ________.
Selected Answer: classes
• Question 7
3 out of 3 points
Which set of statements totals the items in each row of two-dimensional array items, and displays each
row’s total?
, Selected Answer:
for (int row = 0; row < items.length; row++) {
int total = 0;
for (int column = 0; column < items[row].length; column++) {
total += items[row][column];
System.out.printf("Row %d's total is %d%n", row, total);
}
• Question 8
3 out of 3 points
Which of the following statements is false?
Selected When an argument is passed by reference, the called method can
Answer:
access the argument’s value in the caller directly but cannot modify it.
• Question 9
3 out of 3 points
A programmer must do the following before using an array:
Selected Answer: declare then create the array.
• Question 10
0 out of 3 points
How many Book objects are created by the following statement?
Book[] books = new Book[10];
Selected Answer: None of the above.
• Question 11
3 out of 3 points
In Java, multidimensional arrays ________.
Selected Answer: All of the above.
• Question 12
3 out of 3 points
What do the following statements do?
double[] array;
array = new double[14];
Selected Answer: Create a double array containing 14 elements.
• Question 13
3 out of 3 points
A constructor cannot:
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 abram23. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82191 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now
Recently viewed by you
