Java Collections Framework Quiz

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)

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

It only provides classes

It is purely a theoretical concept

It provides both interfaces and classes (correct)

It only provides interfaces

<p>Collections can hold generic objects</p> Signup and view all the answers

<p>Both hold references to objects and can be managed as a group</p> Signup and view all the answers