100 Days of Java Code from Geeks for Geeks

A refresher on Java

File IO & Other Java Basics | Day 1 - 10

Check out the code from here.

Data Structures & Algorithms | Day 11 - 20

• Arrays

• Stacks

  • Array Implementation
  • LL Implementation
  • Java's Stack Class
  • Array Deque Implementation

• Queues

  • Array Implementation

  • Linked List Implementation

  • Circular Queue

  • Priority Queue

    • Array Implementation
    • LinkedList Implementation
    • LikedList w/ Comparable interface

  • ArrayDeque

    • Circular Deque Array
    • Java Deque Interface

• Linked List

  • Singly LL
  • Java Interface
  • Doubly LL
  • Circular LinkedList

• Binary Search Tree

• AVL Tree - Balanced BST

• Tries

• Graphs

• Hashing

• Heaps

Basic Level Problems | Day 21 - 40

Medium Level Problems | Day 41 - 60

Hard Level Problems | Day 61 - 75

System Design | Day 76 - 85

OS and DBMS | Day 86 - 92

Object-Oriented Design | Day 93 - 100