DEV Community: Shagun-tom

OOPS IN PROGRAMMING

Shagun-tom — Sat, 18 Oct 2025 03:31:38 +0000

OOPS stand for object oriented programming system
it is a main concept in programming 🖥️ language such as java and python or more .
it make code readable, reusable, scalable and modular .
it have few concepts such as class, object and main four pillars.
CLASS : class a is blueprint of an object .
example - construction design for home.
OBJECT : real identity .
example : actual home.

FOUR MAIN PILLARS ->

Inheritance :- access property from parent class
eg:- single level, multi level

Abstraction : hiding internal details . if we make a class abstraction then the whole class become abstract . to make a class abstract we use abstract keyword .

Polymorphism :- poly means many and morphism means form . hence the overall mean is one identity have many form .
eg:- phone

Encapsulation :- wrap class, method and other data in one .
in enhance privacy by making class private .

react and django

Shagun-tom — Wed, 10 Sep 2025 09:59:12 +0000

Idempotent

Shagun-tom — Thu, 21 Aug 2025 13:48:41 +0000

Idempotent means doing a work multiple times but get same output .
Example 1:- you press like button on Instagram but if you press it once or 10 times your like will consider only onces.
-> it insure one like per user.
Example 2 :-
int x = 5;
int x = 5;
int x = 5;
if i assign x = 5 once or multiple times it's value remaining same.

Advantages:-
-> Privacy
-> times saver
-> API saftey