Recursion Concepts
Recursion basic questions
Sorting - Bubble
Sorting - Selection
Sorting - Insertion
Problem Patterns for the questions asked on the Basic Sorting Algorithm
Merge Sort
Quick Sort
Count Sort | Bucket Sort | Redix Sort
Patterns of question-based on sorting - 1
Patterns of questions based on Sorting - 2
Binary Search | Iterative + Recursive
Patterns of questions based on BS - 1
Patterns of questions based on BS - 2
Recursion medium level problems - 1 [ Involving concepts of previously taught topics ]
Recursion medium level problems - 2 [ Involving concepts of previously taught topics ]
Recursion tough level problems - 1 [ Involving concepts of previously taught topics ]
Strings Introduction
StringBuffer
Patterns of question-based on string - 1
Patterns of questions based on string - 2
Java - Object and Class
Java - Constructors
Java - static and this
Exception handling in Java - 1
Exception handling in Java - 2
OOPs concept - Class + Object + Abstraction
OOPs concept - Encapsulation + Inheritance
OOPs concept - Composition + Polymorphism
Question patterns asked based on OOPs in interview
Single LinkedList - Implementation
Patterns of question based on SLL - 1
Patterns of question based on SLL - 2
Patterns of question based on SLL - 3
Patterns of question based on SLL - 4
Doubly Linked List - Implementation
Patterns of question based on DLL - 1
Circular Linked List - Implementation
Memory Efficient LinkedList
Miscellaneous questions on LL - 1
Miscellaneous questions on LL - 2
LinkedList in Java Collection Framework
Stack Implementation - 1
Stack Implementation - 2
Patterns of question-based on Stack - 1
Patterns of question based on Stack - 2
Patterns of question based on Stack - 3
Patterns of question based on Stack - 4
Stack in Java Collection Framework
Queues Implementation -1
Queues Implementation - 2
Patterns of question based on Queue - 1
Patterns of question based on Queue - 2
Patterns of question based on Queue - 2
Combined problem practice - 1
Combined problem practice - 2
Combined problem practice - 3
Queue in Java Collection Framework
Hashing Concepts
HashMap
HashMap in Java Collection Framework
Patterns of question based on HashMap - 1
Patterns of question based on HashMap - 2