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Java Java Data Structures Exploring the Java Collection Framework Using ArrayLists

Kshatriiya .
Kshatriiya .
1,464 Points
Posted by Kshatriiya .
Kshatriiya .
1,464 Points

Why would you use List<?> myList = new ArrayList<?>()

Instead of 

  ArrayList<?> myList = new ArrayList<?>();

I thought List<> was an interface and ArrayList<> was within the interface? Could you explain it to me in ELI5(explain like i'm five) style please?

Thank you

Mohamed El-Damarawy
Mohamed El-Damarawy
11,294 Points

Well it was mentioned in the tutorial that by declaring your object with the List<E> interface you could change that object into another implementation of the List<E> interface; say the LinkedList class instead of ArrayList.