Learn Java from Scratch - A Beginner's Guide - Step 03 - List Interface - Immutability and Introduction of Implementatio

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Information Technology (IT), Architecture
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University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean for a class to be immutable?
Its instances cannot be modified after creation.
Its instances can be modified after creation.
It can only be used with primitive data types.
It is a type of mutable list.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a way to create a mutable list?
ArrayList
LinkedList
ImmutableList
Vector
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you add an element to an ArrayList?
Using the 'push' method
Using the 'append' method
Using the 'insert' method
Using the 'add' method
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key feature of a Vector in Java?
It is synchronized.
It does not allow null values.
It is immutable.
It is faster than ArrayList.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which list type is generally preferred for frequent insertions and deletions?
ArrayList
LinkedList
Vector
ImmutableList
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