Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is a key difference between collections and arrays?
What is a key difference between collections and arrays?
- Arrays can hold primitive data types
- Collections are covariant
- Arrays need to be assigned a certain capacity when instantiated
- Collections can grow and shrink in size automatically (correct)
Which data types can Collections hold?
Which data types can Collections hold?
- Wrapper classes such as java.lang.Integer (correct)
- Both primitive and wrapper classes
- Primitive data types such as int
- Primitive data types such as long
What is the nature of the Java collections framework?
What is the nature of the Java collections framework?
- It only provides classes
- It is purely a theoretical concept
- It provides both interfaces and classes (correct)
- It only provides interfaces
Why are Collections considered advantageous over arrays?
Why are Collections considered advantageous over arrays?
Signup and view all the answers
What is the nature of the relationship between collections and arrays?
What is the nature of the relationship between collections and arrays?
Signup and view all the answers
