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Data Structures, Gently
M1Why structures matterFree
  • What is a data structure?
  • Why the right choice matters
  • Thinking in operations & cost
M2Lists, stacks & queuesLocked
  • Arrays & lists
  • Stacks: last in, first out
  • Queues: first in, first out
  • Arrays vs linked lists
M3Maps & setsLocked
  • Hash maps & dictionaries
  • Sets & uniqueness
  • Maps & sets in practice
M4Trees, graphs & costLocked
  • Trees: branching structure
  • Graphs: things and connections
  • Big-O, gently
  • Choosing the right structure
M5Structures at workLocked
  • Stacks & queues in real apps
  • Recursion & nested data
  • Iterating collections
M6Picking & measuringLocked
  • Time vs space trade-offs
  • Mutable vs immutable
  • From structures to algorithms
Courses/Data Structures, Gently/What is a data structure?

Why structures matter · Lesson 1 of 20

What is a data structure?

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