This repository contains some of the important questions of DSA . It will help you strengthen your programming skills and improve your understanding of data structures and algorithms using the Java programming language. In this repository, you will find important questions and their solutions covered during the DSA course.

1. Arrays
2. Strings
3. Linked Lists
4. Stacks and Queues
5. Trees
6. Graphs

• Find the Missing Number
• Rotate Array
• Kth Smallest Element

• Reverse a String
• Anagram Check
• Longest Substring Without Repeating Characters

• Reverse a Linked List
• Detect a Cycle in a Linked List
• Intersection Point of Two Linked Lists

• Implement Stack using Array
• Implement Queue using Linked List
• Valid Parentheses

• Binary Tree Traversal
• Check if a Binary Tree is Symmetric
• Lowest Common Ancestor of a Binary Tree

• Depth First Search (DFS)
• Breadth First Search (BFS)
• Detect Cycle in a Directed Graph

Please note that the above list is not exhaustive, and there are many more important questions covered during the course. Feel free to explore the solutions and enhance your understanding of Java DSA.

If you have any questions, or suggestions, or would like to contribute to this repository, please feel free to contact us. We appreciate your input and are open to collaboration!