#generic wildcards

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Head First Java Chapter 16 Notes

Head First Java Chapter 16

This is the Sixteenth Chapter learning of Head First Java by Kathy Sierra and Bert Bates, This markdown file is my notes for the Sixteenth chapter, not sure if any copyright issues are there.

Collections with Generics ArrayList

ArrayList does not have a sort method.

ArrayList is not the only Collection

TreeSet : Keeps the elements sorted and prevents duplicates.

HashMap

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