Data Structure Applications
Array
Linked List
Stack Execution of function calls
Recursion
Undo feature in text editor
Queue Network Printer
Computer Processor
Balanced Binary Search Tree
Heap Priority Queue
Graph Social Network - Facebook - can be modelled as undirected graph
Social Network - Twitter - can be modelled as directed graph
Highway Network - Weighted Graph (weight - length/traffic)
Problems like friend recommendations - find nodes with shortest path
Hash Table