Java Programming for Complete Beginners - Java 16 - Step 02 - Java Integer Data Types - Puzzles - Octal, Hexadecimal, Po

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of an octal number 010 in Java?
8
10
16
0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a valid hexadecimal number?
0X9G
0XG
0X1A
0XH2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't you store the value 128 in a byte variable in Java?
Because 128 is a double
Because byte can only store positive values
Because 128 is a float
Because byte can only store values from -128 to 127
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of explicit casting in Java?
Automatically converting a smaller data type to a larger one
Manually converting a larger data type to a smaller one
Automatically converting a larger data type to a smaller one
Manually converting a smaller data type to a larger one
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Java, what happens during a post-increment operation?
The variable is decremented after the operation
The variable is incremented before the operation
The variable is incremented after the operation
The variable is decremented before the operation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of J after executing 'int J = I++;' if I starts at 10?
10
11
9
12
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a pre-decrement operation, what happens first?
The variable is incremented first
The operation is skipped
The variable is decremented first
The operation is executed first
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