Data Structures & Algorithms

Practice MCQs

Java DSA MCQs

Arrays, Strings, two-pointer approach, sliding window, Kadane's algorithm, Searching and Sorting.

DSA Arrays Strings

Module 01

Arrays

Memory layout, two-pointer approach, sliding window, and Kadane's algorithm.

Theory LeetCode Notes

Module 02

Strings

Memory layout, two-pointer approach, sliding window.

Theory LeetCode Notes

Module 03

Two Pointer Approach

Two-Pointer approach.

Theory LeetCode Notes

Module 04

Fixed Size Sliding Window

Fixed Size Sliding Window.

Theory LeetCode Notes

Module 05

Variable Size Sliding Window

Variable Size Sliding Window.

Theory LeetCode Notes

Module 06

Searching

Linear Search & Binary Search.

Theory LeetCode Notes

Module 07

Sorting

Sorting: Selection Sort, Bubble Sort & Insertion Sort.

Theory LeetCode Notes

Module 08

Recursion

Basic Recursion Problems.

Theory LeetCode Notes

Module 09

Linked Lists

Singly, doubly, and circular linked lists, Floyd's cycle detection, and reversal.

Theory LeetCode Notes

Module 10

Stack

Stack using Arrays and LinkedList.

Theory LeetCode Notes

Module 11

Queue

Queue using Arrays and LinkedList.

Theory LeetCode Notes