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AP Computer Science first semester Review Exam Questions and Answers
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AP Computer Science first semester Review Exam Questions and Answers
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AP Computer Science first semester ReviewWhat are identifiers? - Answer -Variables whose names must start with a lowercase letter.
What is an int? - Answer -A variable thats stores only numbers, and only decimals. (1) (2)
What is a double? - Answer -A variable that only stores numbers, and only decimals. (1.5) (.5)
What is a boolean? - Answer -Does true and false statements.
What types are booleans, doubles, and ints an example of/ - Answer -Primitive
What are objects (examples) - Answer -Stings, Arrays, ArrayLists, etc.
What type are objects? - Answer -Reference
What are finals and what do they have to have? - Answer -They are names and the names are all capital letters and may have numbers or underscores. (final in NUM = 15;)
(final double PI = 3.14;)
What symbol do you use to add in java? (arithmetic) - Answer -+
What symbol do you use to subtract in java? (arithmetic) - Answer --
What symbol do you use to multiply in java? (arithmetic) - Answer -*
What symbol do you use to divide in java? (arithmetic) - Answer -/
What symbol do you use to find the remainder (modulus) in java? (arithmetic) - Answer -
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