All skills
Technical skill
Data Structures
Arrays, lists, trees, graphs, heaps and hash tables.
Why it matters
Every technical interview and every performance problem starts here.
How to learn it
- 1Understand the core concepts and vocabulary of Data Structures.
- 2Work through worked examples on paper before coding.
- 3Solve 30 practice problems on Data Structures.
- 4Explain Data Structures out loud as if teaching a junior.