Exam (elaborations)
CSCI 1301 Exam 3 Questions And Correct Answers
- Course
- Institution
CSCI 1301 Exam 3 Questions And Correct Answers...
[Show more]
Content preview
CSCI 1301 Exam 3 Questions And Correct AnswersWhat is an array - ANSWER data structure that represents a collection of the same types
of data
How to declare array variables? - ANSWER datatype[] arrayRefVar;
example:
double[] mylist
How to create an array? - ANSWER arrayVar = new datatype[arraySize];
example:
myList = new double[10]
How to declare and create an array in one step? - ANSWER datatype[] arrayRefVar =
new datatype[arraySize]
example:
double[] myList = new double[10]
once an array is created, can its size be changes? ANSWER nope, the size is fixed
How can you find the size or length of an array? ANSWER arrayRefVar.length
example:
, myList.length returns 10
indices go from 0 to what? ANSWER arrayRefVar.length - 1
so an array with length 10 goes from 0-9
when created, array elements are assigned the default values of: ANSWER - 0 for
numeric primitive data types
- '\u0000' for char types
- false for boolean types
array elements are accessed through the ____ - ANSWER index
what does it mean for the indices to be "0-based"? - ANSWER starts at 0 and goes up to
arrayRefVar.length - 1
in what syntax are each element in an array represented? - ANSWER indexed variable,
which is
arrayRefVar[index];
example:
myList[0] for the first
After an array is created can an indexed variable be used like regular variable? -
ANSWER yes
example:
myList[2] = myList[0] + myList[1];
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 Easton. 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)
67866 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now