Learn Java from Scratch - A Beginner's Guide - 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?
boolean
String
char
int
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between a reference variable and a primitive variable?
Both store the actual value.
Reference variables store the actual value, while primitive variables store a reference.
Both store a reference to the memory location.
Reference variables store a reference to the memory location, while primitive variables store the actual value.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where are new objects created in Java memory?
Stack
Heap
Cache
Register
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are primitive variables stored in memory?
In the cache
In the register
On the stack
On the heap
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is stored in the stack when a reference variable is created?
Nothing is stored in the stack
Both the object and its reference
A reference to the memory location of the object
The actual object
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a reference variable contain?
The actual data of the object
A reference to the object's memory location
The type of the object
The size of the object
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is understanding the difference between reference and primitive variables important?
It helps in optimizing memory usage.
It is crucial for understanding object-oriented programming.
It is important for debugging Java programs.
It is necessary for writing efficient algorithms.
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