Recursion ka Funda

Understand how Recursion works with Fullstackgada

πŸͺž Recursion Kya Hai?

Recursion: Ek function jo khud ko baar-baar call karta hai, jab tak koi base case na mil jaye.
Har Recursion mein do part hote hain:
  • Base Case: Jahan function ruk jata hai
  • Recursive Case: Function khud ko call karta hai

Examples:
Factorial (n!):
factorial(n) = n Γ— factorial(n-1), jab tak n=1 na ho jaye.

Saree wali Misal:

πŸ‘—
Har baar Babita ji nayi saree pehenti hain (function call), base case tab aata hai jab wardrobe khali ho jata hai!
❀️
Har baar Jethalal pyar mein pad jate hain (recursion)… jab tak Babita ji mana nahi karti! (base case πŸ›‘)

πŸ”— Recursion vs Loop: Factorial Calculator

Ek method choose karo to see step-by-step execution!

πŸ” Recursion vs Loop Takkar

Aspect πŸ” Loop πŸ”„ Recursion
Kaise? Har baar manually control (for/while) Function khud ko call karta hai (self-calling)
Rukna Condition false hone par rukta hai Base case milne par rukta hai
Memory Use Fixed, efficient hai Har call ke liye alag stack frameβ€” zyada memory use
Performance Aam taur par faster Deep calls ke liye slow ho sakta hai
Glamour Factor Simple aur sidha Stylish & elegant (lekin risky bhi!)