Java Programming for Complete Beginners - Java 16 - Step 01 - Reference Types - How are they Stored in Memory?

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Information Technology (IT), Architecture
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a predefined reference type in Java?
String
boolean
char
int
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary difference between a reference variable and a primitive variable?
Both store memory addresses.
Both store actual values.
Reference variables store memory addresses, while primitive variables store actual values.
Reference variables store actual values, while primitive variables store memory addresses.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you create a new instance of a class in Java?
A new primitive variable is created on the stack.
A new reference variable is created on the heap.
A new object is created on the stack.
A new object is created on the heap.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where are new objects created in Java memory?
Stack
Heap
Register
Cache
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Java, where are primitive variables typically stored?
Heap
Stack
Network
Disk
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is stored in a reference variable?
The actual object
The memory location of the object
The size of the object
The type of the object
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to understand the difference between reference and primitive variables?
To improve code readability
To understand how data is stored and accessed
To optimize memory usage
To enhance program speed
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