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Hi friends, In this channel you will find solutions for leetcode problems, interview questions, and JAVA Oops and other subjects content required for interview. We will help to improve your problem solving skills and enhance your logic building.

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L27. Smart Home Automation Simulator- JAVA OOPS Project || Master OOPs in Java SOLID, Design Pattern

L27. Smart Home Automation Simulator- JAVA OOPS Project || Master OOPs in Java SOLID, Design Pattern OffTheCollege

903 views - 7 months ago

L27. Smart Home Automation Simulator- JAVA OOPS Project || Master OOPs in Java SOLID, Design Pattern

L27. Smart Home Automation Simulator- JAVA OOPS Project || Master OOPs in Java SOLID, Design Pattern OffTheCollege

149 views - 7 months ago

L26. Strategy Design Pattern - Design Patterns || Master OOPs in Java SOLID, Design Pattern

L26. Strategy Design Pattern - Design Patterns || Master OOPs in Java SOLID, Design Pattern OffTheCollege

180 views - 8 months ago

L25. Observer Design Pattern - Design Patterns || Master OOPs in Java SOLID, Design Pattern

L25. Observer Design Pattern - Design Patterns || Master OOPs in Java SOLID, Design Pattern OffTheCollege

209 views - 8 months ago

L24. Composite Design Pattern - Design Patterns || Master OOPs in Java SOLID, Design Pattern

L24. Composite Design Pattern - Design Patterns || Master OOPs in Java SOLID, Design Pattern OffTheCollege

147 views - 8 months ago

L23. Adapter and Decorator Pattern || Builder vs Decorator || Master OOPs in Java, Design Pattern

L23. Adapter and Decorator Pattern || Builder vs Decorator || Master OOPs in Java, Design Pattern OffTheCollege

129 views - 8 months ago

L22. Builder Pattern - Design Patterns || Master OOPs in Java SOLID, Design Pattern

L22. Builder Pattern - Design Patterns || Master OOPs in Java SOLID, Design Pattern OffTheCollege

177 views - 8 months ago

L21. Abstract Factory Method Pattern - Design Patterns || Master OOPs in Java SOLID, Design Pattern

L21. Abstract Factory Method Pattern - Design Patterns || Master OOPs in Java SOLID, Design Pattern OffTheCollege

188 views - 8 months ago

L20. Factory Method Pattern - Design Patterns || Master OOPs in Java SOLID, Design Pattern

L20. Factory Method Pattern - Design Patterns || Master OOPs in Java SOLID, Design Pattern OffTheCollege

231 views - 8 months ago

L19. Singleton Pattern - Design Patterns || Master OOPs in Java SOLID, Design Pattern

L19. Singleton Pattern - Design Patterns || Master OOPs in Java SOLID, Design Pattern OffTheCollege

255 views - 8 months ago

L18. SOLID Principles || Master OOPs in Java SOLID, Design Pattern

L18. SOLID Principles || Master OOPs in Java SOLID, Design Pattern OffTheCollege

622 views - 8 months ago

L17. Aggregation & Composition & Comparison btw all || Master OOPs in Java SOLID, Design Pattern

L17. Aggregation & Composition & Comparison btw all || Master OOPs in Java SOLID, Design Pattern OffTheCollege

190 views - 8 months ago

L16. Association ("Has-a" Relationship) & Types || Master OOPs in Java SOLID, Design Pattern

L16. Association ("Has-a" Relationship) & Types || Master OOPs in Java SOLID, Design Pattern OffTheCollege

137 views - 8 months ago

L15. Abstraction, Interface, Abstract & Default Methods || Master OOPs in Java SOLID, Design Pattern

L15. Abstraction, Interface, Abstract & Default Methods || Master OOPs in Java SOLID, Design Pattern OffTheCollege

213 views - 8 months ago

L14. Access Modifiers & Getters - Setters || Master OOPs in Java- SOLID, Design Patterns

L14. Access Modifiers & Getters - Setters || Master OOPs in Java- SOLID, Design Patterns OffTheCollege

214 views - 8 months ago

L13. What is Encapsulation || Master OOPs in Java- SOLID, Design Patterns

L13. What is Encapsulation || Master OOPs in Java- SOLID, Design Patterns OffTheCollege

257 views - 8 months ago

L12. Casting - Upcasting & Downcasting || Interfaces || Master OOPs in Java- SOLID, Design Patterns

L12. Casting - Upcasting & Downcasting || Interfaces || Master OOPs in Java- SOLID, Design Patterns OffTheCollege

227 views - 8 months ago

L11. Runtime Time Polymorphism - Method Overriding || Master OOPs in Java- SOLID, Design Patterns

L11. Runtime Time Polymorphism - Method Overriding || Master OOPs in Java- SOLID, Design Patterns OffTheCollege

188 views - 8 months ago

L10. Compile Time Polymorphism - Method Overloading || Master OOPs in Java- SOLID, Design Patterns

L10. Compile Time Polymorphism - Method Overloading || Master OOPs in Java- SOLID, Design Patterns OffTheCollege

145 views - 8 months ago

L9. Method Dispatch - Compile time & Runtime Phase || Master OOPs in Java- SOLID, Design Patterns

L9. Method Dispatch - Compile time & Runtime Phase || Master OOPs in Java- SOLID, Design Patterns OffTheCollege

172 views - 8 months ago

L8. What is Polymorphism - Compile time & Runtime || Master OOPs in Java- SOLID, Design Patterns

L8. What is Polymorphism - Compile time & Runtime || Master OOPs in Java- SOLID, Design Patterns OffTheCollege

298 views - 8 months ago

L7. Super Keyword in Java (Access Parent) - Constructor, Method & Fields || OOPs in Java- SOLID

L7. Super Keyword in Java (Access Parent) - Constructor, Method & Fields || OOPs in Java- SOLID OffTheCollege

208 views - 8 months ago

L6. Types of Inheritance (Is-a) - Single, Multilevel, Hierarchical & Multiple || OOPs Patterns

L6. Types of Inheritance (Is-a) - Single, Multilevel, Hierarchical & Multiple || OOPs Patterns OffTheCollege

200 views - 8 months ago

L5. Coupling - Tight Coupling & Loose Coupling with code || OOPs in Java- SOLID, Design Patterns

L5. Coupling - Tight Coupling & Loose Coupling with code || OOPs in Java- SOLID, Design Patterns OffTheCollege

487 views - 8 months ago

L4. What is Inheritance - Advantages & Disadvantages || OOPs in Java- SOLID, Design Patterns

L4. What is Inheritance - Advantages & Disadvantages || OOPs in Java- SOLID, Design Patterns OffTheCollege

282 views - 8 months ago

L3. Static keyword in Java - Static Variable, Method, Class || OOPs in Java- SOLID, Design Patterns

L3. Static keyword in Java - Static Variable, Method, Class || OOPs in Java- SOLID, Design Patterns OffTheCollege

373 views - 8 months ago

L2. Constructors & This Keyword || Copy Constructor || OOPs in Java SOLID, Design Patterns & Project

L2. Constructors & This Keyword || Copy Constructor || OOPs in Java SOLID, Design Patterns & Project OffTheCollege

572 views - 8 months ago

L1. OOPs - Classes and Objects || Master OOPs in Java - Concepts, SOLID, Design Patterns & Project

L1. OOPs - Classes and Objects || Master OOPs in Java - Concepts, SOLID, Design Patterns & Project OffTheCollege

2.2K views - 8 months ago

L25. Bitwise Operations || All Operators Covered with Questions || 25 DSA Patterns || Crack FAANG

L25. Bitwise Operations || All Operators Covered with Questions || 25 DSA Patterns || Crack FAANG OffTheCollege

3.3K views - 8 months ago

L24. Backtracking || Subset Generation || Rat in a Maze || 25 DSA Patterns ||Crack FAANG

L24. Backtracking || Subset Generation || Rat in a Maze || 25 DSA Patterns ||Crack FAANG OffTheCollege

2K views - 8 months ago

L23. Minimum Path Sum - DP || All 3 DP approaches || House Robber || 25 DSA Patterns ||Crack FAANG

L23. Minimum Path Sum - DP || All 3 DP approaches || House Robber || 25 DSA Patterns ||Crack FAANG OffTheCollege

1.3K views - 8 months ago

L22. Dynamic Programming DP || All 3 DP approaches || House Robber || 25 DSA Patterns ||Crack FAANG

L22. Dynamic Programming DP || All 3 DP approaches || House Robber || 25 DSA Patterns ||Crack FAANG OffTheCollege

2.3K views - 8 months ago

L21. Greedy Approach || Jump Game 1 & 2 || Gas Station || 25 DSA Patterns|| Master DSA ||Crack FAANG

L21. Greedy Approach || Jump Game 1 & 2 || Gas Station || 25 DSA Patterns|| Master DSA ||Crack FAANG OffTheCollege

2.1K views - 8 months ago

L20. Trie Data Structure || Trie Implementation || 25 DSA Patterns || Master DSA ||Crack FAANG

L20. Trie Data Structure || Trie Implementation || 25 DSA Patterns || Master DSA ||Crack FAANG OffTheCollege

1.2K views - 9 months ago

L19. Topological Sort || Kahn's Algorithm - BFS & DFS || 25 DSA Patterns || Master DSA ||Crack FAANG

L19. Topological Sort || Kahn's Algorithm - BFS & DFS || 25 DSA Patterns || Master DSA ||Crack FAANG OffTheCollege

1.3K views - 9 months ago

L18. Dijkstra Algorithm || Shortest Path from Source || 25 DSA Patterns || Master DSA ||Crack FAANG

L18. Dijkstra Algorithm || Shortest Path from Source || 25 DSA Patterns || Master DSA ||Crack FAANG OffTheCollege

1.4K views - 9 months ago

L17. Graph and questions || Representation: Adjacency Matrix & List || 25 DSA Patterns ||Crack FAANG

L17. Graph and questions || Representation: Adjacency Matrix & List || 25 DSA Patterns ||Crack FAANG OffTheCollege

2.2K views - 9 months ago

L16. Breadth First Search BFS || Tree Level Order Traversal || 25 DSA Patterns || DSA || Crack FAANG

L16. Breadth First Search BFS || Tree Level Order Traversal || 25 DSA Patterns || DSA || Crack FAANG OffTheCollege

1.9K views - 9 months ago

L15. Depth First Search DFS || Tree || 25 DSA Patterns || Easy way to Master DSA || Crack FAANG

L15. Depth First Search DFS || Tree || 25 DSA Patterns || Easy way to Master DSA || Crack FAANG OffTheCollege

2.5K views - 9 months ago

L14. Trees || Types & Traversals - Inorder Preorder Postorder || 25 DSA Patterns || Crack FAANG

L14. Trees || Types & Traversals - Inorder Preorder Postorder || 25 DSA Patterns || Crack FAANG OffTheCollege

3.1K views - 9 months ago

L12. K-way Merge - Min & Max Heap || Priority Queue || 25 DSA Patterns || Master DSA|| Crack FAANG

L12. K-way Merge - Min & Max Heap || Priority Queue || 25 DSA Patterns || Master DSA|| Crack FAANG OffTheCollege

2K views - 9 months ago

L11 & L13. Heap - Min & Max Heaps (Priority Queue)|| Where Heap is Applied - Top K Elements || 25DSA

L11 & L13. Heap - Min & Max Heaps (Priority Queue)|| Where Heap is Applied - Top K Elements || 25DSA OffTheCollege

2.9K views - 9 months ago

L10. Queue & Types || Where Queue is Applied || 25 DSA Patterns || Easy way Master DSA|| Crack FAANG

L10. Queue & Types || Where Queue is Applied || 25 DSA Patterns || Easy way Master DSA|| Crack FAANG OffTheCollege

2.9K views - 9 months ago

L9. Stacks || Where Stack is Applied || 25 DSA Patterns || Easy way to Master DSA || Crack FAANG

L9. Stacks || Where Stack is Applied || 25 DSA Patterns || Easy way to Master DSA || Crack FAANG OffTheCollege

5.2K views - 9 months ago

L8. HashMaps || Internal Working of Hashmap || 25 DSA Patterns || Easy way Master DSA || Crack FAANG

L8. HashMaps || Internal Working of Hashmap || 25 DSA Patterns || Easy way Master DSA || Crack FAANG OffTheCollege

6.8K views - 9 months ago

L7. All Sorting Algorithms || 25 DSA Patterns || New & Easy way to Master DSA || Crack FAANG

L7. All Sorting Algorithms || 25 DSA Patterns || New & Easy way to Master DSA || Crack FAANG OffTheCollege

6.8K views - 9 months ago

L6. Binary Search || 25 DSA Patterns || New & Easy way to Master DSA || Crack DSA || Crack FAANG

L6. Binary Search || 25 DSA Patterns || New & Easy way to Master DSA || Crack DSA || Crack FAANG OffTheCollege

7.4K views - 9 months ago

L5. Merge Intervals || Meeting Rooms || 25 DSA Patterns || New & Easy way- Master DSA || Crack FAANG

L5. Merge Intervals || Meeting Rooms || 25 DSA Patterns || New & Easy way- Master DSA || Crack FAANG OffTheCollege

8.2K views - 9 months ago

L4. Prefix Sum || 25 DSA Patterns || New & Easy way to Master DSA || Crack DSA Round || Crack FAANG

L4. Prefix Sum || 25 DSA Patterns || New & Easy way to Master DSA || Crack DSA Round || Crack FAANG OffTheCollege

20K views - 9 months ago

L3. Sliding Window || 25 DSA Patterns || New & Easy way to Master DSA || Crack DSA || Crack FAANG

L3. Sliding Window || 25 DSA Patterns || New & Easy way to Master DSA || Crack DSA || Crack FAANG OffTheCollege

25K views - 9 months ago

L2. Fast and Slow Pointers || 25 DSA Patterns || New & Easy way to Master DSA || Crack FAANG

L2. Fast and Slow Pointers || 25 DSA Patterns || New & Easy way to Master DSA || Crack FAANG OffTheCollege

25.4K views - 9 months ago

L1. Two Pointers || 25 DSA Patterns || New & Easy way to Master DSA || Crack DSA round|| Crack FAANG

L1. Two Pointers || 25 DSA Patterns || New & Easy way to Master DSA || Crack DSA round|| Crack FAANG OffTheCollege

138.7K views - 9 months ago

L8. (38-43) Crack TCS Coding || Technical Interview || 45 TCS Arrays String Coding Questions

L8. (38-43) Crack TCS Coding || Technical Interview || 45 TCS Arrays String Coding Questions OffTheCollege

434 views - 1 year ago

L7. (32-37) Crack TCS Coding || Technical Interview || 45 TCS Arrays String Coding Questions

L7. (32-37) Crack TCS Coding || Technical Interview || 45 TCS Arrays String Coding Questions OffTheCollege

345 views - 1 year ago

L6. (26-31) Crack TCS Coding || Technical Interview || 45 TCS Arrays String Coding Questions

L6. (26-31) Crack TCS Coding || Technical Interview || 45 TCS Arrays String Coding Questions OffTheCollege

453 views - 1 year ago

L5. (21-25) Crack TCS Coding || Technical Interview || 45 TCS Arrays String Coding Questions

L5. (21-25) Crack TCS Coding || Technical Interview || 45 TCS Arrays String Coding Questions OffTheCollege

772 views - 1 year ago

L4. (16-20) Crack TCS Coding || Technical Interview || 45 TCS Arrays String Coding Questions

L4. (16-20) Crack TCS Coding || Technical Interview || 45 TCS Arrays String Coding Questions OffTheCollege

541 views - 1 year ago

81. Maximum Depth of Binary Tree || 82. Same Tree || Binary Tree || Top 150+ DSA Leetcode JAVA

81. Maximum Depth of Binary Tree || 82. Same Tree || Binary Tree || Top 150+ DSA Leetcode JAVA OffTheCollege

774 views - 1 year ago

Binary Tree Intro || Tree Traversals DFS BFS || Preorder Inorder Postorder || Top 150+ DSA Leetcode

Binary Tree Intro || Tree Traversals DFS BFS || Preorder Inorder Postorder || Top 150+ DSA Leetcode OffTheCollege

301 views - 1 year ago

80. Permutation Sequence || Recursion || Math || Top 150+ DSA Leetcode JAVA

80. Permutation Sequence || Recursion || Math || Top 150+ DSA Leetcode JAVA OffTheCollege

213 views - 1 year ago