#2.4 Naming Convention in Java

Camel Casing Rule.

Class, Interface - 1st letter Capital
Variable, method - 1st letter small
Constant - All Capital

When you combine 2 different words, the 1st letter of second word needs to be capital.

class, Interface are nouns
methods - verbs

We follow some specific standards to make your code look good and make it more efficient and readable.
To make your more readable, you need to follow some rules and one of them is known as Naming Convention.

Always use proper conventions for the name.
- We should not use x, y, as a variable when we are making software
- Always use a proper variable name such as sname for student, stockprice for the price of stock.
- We should use a proper class name like String, Integer, Student, Worker, Engineer
- Name of a class and an interface :- start from a capital letter
- For methods and variables :- first letter should be a small letter
- For constant :- all capital letters but for combining two words in a constant, we should use underscore(_) to join them

Types of Naming Convention:
- For the interface name like Runnable , Seizable interface. They should be in the adjective form.
- There are lots of interfaces that require 'able' at the end. But with some remote interfaces, there is no need to add able.
- The class name should be noun like Student, Person, HashMap
- Method name should be a verb like actionPerfomed, run, print, scan, read, write
- Variable should like variables like stockprice, bankdetails
- Constant looks like constant as MAX_PRICE, PI, DENSITY

Camel Casing Rule:
Java follows camel casing rule, whenever you combine two words then we need to have first letter of the second word be capital.
e.g., MyFirstJavaClass
In this, four letters are combined, and the first letter of each word is capital that makes it more readable.
- It is applicable everywhere except packages and constants.

- Use of underscore(_) between two words is known as Snake Casing.

Advantages:
- it makes the code more readable
- it helps in identifying between different things like interface, method, etc

In this video we will see :
- Naming Convention in Java
- Rules for Naming Convention
- Types of Naming Convention for different aspects
- Camel Casing
- Advantages of Naming Convention


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