What are true properties of Java arrays.

Question $5$ options:

You can change their size.

There is a helper library with extra methods to help you do operations.

You can store object types.

When initialized it is filled with a default value $($depending on its type$).$

There are built$-$in methods for things like contains$($Object o$).$

You can store primitive types.

The default size is $0$

You can slice them, like in python, with $[]$ syntax to get a subsequence of the array.