Kunal Kushwaha Courses

Generics, Custom ArrayList, Lambda Expressions, Exception Handling, Object Cloning

Explore advanced Java concepts: generics, custom ArrayList, object comparison, lambda expressions, exception handling, and object cloning. Enhance your OOP skills with practical examples and in-depth explanations.

• YouTube
• 1 hour 32 minutes
• Self-Paced
• Free Video

Abstract Classes, Interfaces, Annotations

Comprehensive exploration of advanced OOP concepts in Java, covering abstract classes, interfaces, annotations, and multiple inheritance, with practical examples and coding demonstrations.

• YouTube
• 1 hour 11 minutes
• Self-Paced
• Free Video

Access Control, In-built Packages, Object Class

Explore access control, in-built packages, and Object class in Java. Learn about modifiers, package types, and essential Object methods for effective OOP implementation.

• YouTube
• 51 minutes
• Self-Paced
• Free Video

OOP Principles - Inheritance, Polymorphism, Encapsulation, Abstraction

Comprehensive exploration of OOP principles with real-world examples, covering inheritance, polymorphism, encapsulation, and abstraction. Ideal for interview preparation and deepening Java programming knowledge.

• YouTube
• 2 hours 13 minutes
• Self-Paced
• Free Video

OOP 2 - Packages, Static, Singleton Class, In-built Methods

Comprehensive guide to advanced OOP concepts in Java, covering packages, static elements, inner classes, and singleton pattern. Ideal for deepening understanding of Java programming.

• YouTube
• 1 hour 19 minutes
• Self-Paced
• Free Video

Introduction and Concepts - Classes, Objects, Constructors, Keywords

Comprehensive introduction to OOP in Java, covering classes, objects, constructors, memory management, and essential keywords. Ideal for beginners seeking a solid foundation in object-oriented programming concepts.

• YouTube
• 1 hour 42 minutes
• Self-Paced
• Free Video

N-Queens, N-Knights, Sudoku Solver - Backtracking Questions

Comprehensive tutorial on solving complex backtracking problems like N-Queens, N-Knights, and Sudoku. Covers theory, implementation, and optimization techniques for tackling challenging algorithmic questions.

• YouTube
• 1 hour 19 minutes
• Self-Paced
• Free Video

Backtracking Introduction + Maze Problems - Theory + Code + Tips

Comprehensive guide to backtracking and maze problems, covering theory, code implementation, and practical tips for solving complex algorithmic challenges in programming interviews.

• YouTube
• 1 hour 28 minutes
• Self-Paced
• Free Video

Recursion Google, Amazon Questions - Dice Throw & Letter Combinations of a Phone Number

Learn to solve Google and Amazon recursion problems: dice throws and phone number letter combinations. Includes approach, thought process, and solution implementation.

• YouTube
• 39 minutes
• Self-Paced
• Free Video

Recursion - Permutations - Theory + Code + Tips

Learn permutation techniques in recursion, including theory, code implementation, and practical tips for solving complex problems efficiently.

• YouTube
• 25 minutes
• Self-Paced
• Free Video

Recursion Subset, Subsequence, String Questions

Explore recursion techniques for solving subset, subsequence, and string problems. Learn to convert recursive solutions to iterative and analyze complexity.

• YouTube
• 1 hour 24 minutes
• Self-Paced
• Free Video

Quick Sort Using Recursion - Theory, Complexity, Code

Comprehensive guide to Quick Sort algorithm, covering theory, implementation, complexity analysis, and comparisons with other sorting methods. Includes code examples and practical insights.

• YouTube
• 42 minutes
• Self-Paced
• Free Video

Merge Sort Using Recursion - Theory, Complexity, Code

Comprehensive exploration of merge sort algorithm, covering theory, recursive implementation, complexity analysis, and in-place sorting approach. Ideal for mastering this efficient sorting technique.

• YouTube
• 50 minutes
• Self-Paced
• Free Video

Recursion - Pattern Questions, Bubble Sort, Selection Sort

Learn recursive approaches to pattern problems, bubble sort, and selection sort algorithms with hands-on coding examples and explanations.

• YouTube
• 35 minutes
• Self-Paced
• Free Video

Recursion - Array Questions - Theory, Code, Tips

Comprehensive guide to solving array-based recursion problems, covering techniques like passing arrays, returning ArrayLists, and implementing rotated binary search.

• YouTube
• 1 hour 19 minutes
• Self-Paced
• Free Video