Learn Java from Scratch - A Beginner's Guide - Step 18 - Understanding Primitive Variable Types in Java

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Information Technology (IT), Architecture
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University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the correct bit size for the 'int' data type in Java?
16 bits
8 bits
64 bits
32 bits
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When should you consider using a 'long' data type instead of an 'int'?
When storing boolean values
When storing characters
When storing large numbers like GDP
When storing small numbers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the default type of a floating point literal in Java?
double
long
float
int
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might you avoid using float and double for financial calculations?
They are too slow
They use too much memory
They cannot store negative numbers
They are not accurate enough
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How should a single character be stored in Java?
Using double quotes
Using single quotes
Using curly braces
Using square brackets
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What values can a boolean data type hold in Java?
Any integer
Any decimal number
Any character
True or false
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is important to remember about boolean literals in Java?
They are case sensitive
They can be any character
They can be any number
They must be in quotes
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