Recursion | Recursion concept and problems | Lecture 27 | Java and DSA Course

Recursion is the first step we take towards the intermediate programming journey. In this lecture manvi ma'am will introduce us to what and why recursion? Later we shall look into the analogy of recursion considering PMI. We shall solve multiple problems, look into the code and also discuss the common error being encountered while solving problems using recursion. Ready for it ? See you in the class then ! If you are facing any trouble accessing the assignment or lesson plan, please re-login to your account on PW Skills website and try. Are you finding the classes helpful? Stay tuned for more! Access the notes and assignments for this class for free at : If you are joining us late, to know more about PWSkills & plans : Watch the Orientation Video: https://www.youtube.com/watch?v=YpNFgTKVAtU Watch the Launch Video: https://www.youtube.com/watch?v=si8TKULKmLE Timestamps:- 00:00 Introduction 01:30 Today's checklist 01:56 Recap 06:27 Today's checklist 07:06 Introduction to Recursive functions 08:00 PMI: Principle of Mathematical Induction 17:45 PROBLEM 01 : Print all natural numbers 1 to n using recursion. 26:02 PROBLEM 01 : Print all natural numbers 1 to n using recursion : Code. 28:40 Call Stack. 40:25 PROBLEM 01 : Print all natural numbers 1 to n using recursion : Dry Run. 52:35 PROBLEM 01 : Print all natural numbers 1 to n using recursion : Dry Run Summary. 55:55 Stack Overflow Error. 58:38 Halting Condition or Base Case. 01:01:43 Definition of Recursion. 01:06:00 The Recursion Spell. 01:10:53 Working of Recursive Function Syntax 01:12:26 PROBLEM 02 : Print all natural numbers n to 1 using recursion. 01:18:49 PROBLEM 02 : Print all natural numbers n to 1 using recursion. Code. 01:23:16 PROBLEM 02 : Print all natural numbers n to 1 using recursion. Dry Run. 01:30:47 Why do we need Recursion? 01:31:58 Summary 01:34:31 Next Lecture ▶️ PW Skills Website - https://pwskills.com ▶️ PW Skills Instagram - https://www.instagram.com/pwcollegewallah ▶️ PW Skills LinkedIn Channel - https://www.linkedin.com/in/pw-skills-136050249/ ▶️ PW Skills Telegram Channel- https://t.me/SkillsPW #Recursion #Java #Dsa #CollegeWallah #PWSkills #PhysicsWallah