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CSCI1301 Exam 2 Questions 100% Solved.
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CSCI1301 Exam 2 Questions 100% Solved. True or false: A while loop may execute the body of the loop *zero times* (perform zero iterations) - answerTrue A while loop keeps repeating the body of the loop until... - answerThe controlling Boolean expression becomes false What happens if a loop nev...

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  • October 16, 2024
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  • 2024/2025
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  • csci1301 exam 2 questions 100 solved

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©SIRJOEL EXAM SOLUTIONS
10/11/2024 1:41 PM



CSCI1301 Exam 2 Questions 100% Solved.


True or false: A while loop may execute the body of the loop *zero times* (perform zero

iterations) - answer✔True


A while loop keeps repeating the body of the loop until... - answer✔The controlling Boolean

expression becomes false

What happens if a loop never reaches a stopping point and becomes an infinite loop? -

answer✔You have to abort the program manually


A for-loop has three parts: an initializing action, a Boolean expression, and an update action.

Which one of these three happens for the first time *after* the first iteration of the loop? -

answer✔Update Action


True or false: There are some situations where it is not possible to use a while loop. In these

situations, you must use a for loop. - answer✔False


True or false: It's typically better to use a do-while loop over a while loop if you know the loop

body will execute at least *once*. - answer✔True

, ©SIRJOEL EXAM SOLUTIONS
10/11/2024 1:41 PM


What is the main reason you would use a do-while loop over a while loop? - answer✔If you

want the loop body to execute at least once


What does the *continue* statement do? - answer✔Skips the current iteration of a loop body


True or false: A single array can contain values of *different* data types. - answer✔False


True or false: An array must contain at least *2* elements. - answer✔False


True or false: You could have a program that has 2 arrays. One array stores int values and the

other stores String values. - answer✔True


What index refers to the very first element of an array? - answer✔0


Is an array an object or a primitive type? - answer✔Object


How do you find the number of elements in an array? - answer✔Use arrayName.length


How is an object different from a class? - answer✔A class is a general definition for objects.

Objects are particular instances of the class which have values for the instance variables.


What are the two main things that a class specifies for objects? - answer✔Attributes and actions

(behaviors)


What type of method is the *main* method? - answer✔Void


True or false: Methods may have variables declared inside of them. - answer✔True

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