Learn when and how to use different data structures and their algorithms in your own code. This is harder as a student, as the problem assignments you'll work through just won't impart this knowledge.

Get an overview of data structures and algorithms and how they work together in your Java programs. ... Keep in mind that more efficient algorithms may be harder to code than less efficient ones.

An introduction to the analysis and implementation of algorithms and data structures including linear data structures, trees, graphs, hash tables, searching algorithms, sorting algorithms, ...