How to recognize and use array and list data structures in your Java programs. Which algorithms work best with different types of array and list data structures. Why some algorithms will work better ...

While singly-linked lists have many uses, they also present some restrictions. For one thing, singly-linked lists restrict node traversal to a single direction: you can’t traverse a singly-linked list ...

But how many developers understand how HashMap works internally? A few days ago, I read a lot of the source code for ...