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CSCI 1301 Exam 3 Questions 100% Solved
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CSCI 1301 Exam 3 Questions 100% Solved. What is an array - answerdata structure that represents a collection of the same types of data How do you declare array variables? - answerdatatype[] arrayRefVar; example: double[] mylist How do you create an array? - answerarrayVar = new datatype[arrayS...

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  • October 16, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • csci 1301 exam 3 questions 100 solved

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



CSCI 1301 Exam 3 Questions 100% Solved.




What is an array - answer✔data structure that represents a collection of the same types of data


How do you declare array variables? - answer✔datatype[] arrayRefVar;




example:

double[] mylist


How do you create an array? - answer✔arrayVar = new datatype[arraySize];




example:

myList = new double[10]


How can you declare and create an array in one step? - answer✔datatype[] arrayRefVar = new

datatype[arraySize]

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


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

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