
1.1.2 variables and data types
Quiz
•
Computers
•
12th Grade
•
Practice Problem
•
Hard
Jason Comeau
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a primitive data type in Java?
int
boolean
float
String
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the size of the 'int' data type in Java?
16 bytes
4 bytes
8 bytes
2 bytes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a valid declaration of a 'double' variable in Java?
boolean variableName;
double variableName;
int variableName;
String variableName;
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the default value of a 'boolean' variable in Java?
false
0
null
true
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which data type is used to store whole numbers in Java?
string
boolean
float
int
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the range of values that can be stored in an 'int' data type in Java?
-100,000 to 100,000
-10,000,000 to 10,000,000
-2,147,483,648 to 2,147,483,647
-1,000,000 to 1,000,000
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a valid data type in Java?
int[]
boolean[]
char[]
string[]
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