Naming Conventions in Java

Java naming conventions are very simple. Here we provide step by step java training. Following are naming conventions rules for followings:

• Class
• Interface
• Method
• Variable
• Package
• Constant

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Class: Class name should be start with the capital letter (Uppercase)  and followed by small letter(Lowercase) and next word first letter should be capital letter (Uppercase), without any white space (no-gap) between words. Write class name in Pascal case.

Example:

public class EmployeeDailyReport

{

  ///Code

}

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Interface: Interface name should be start with capital letter (uppercase) and followed by small letter (lowercase) and next word first letter should be capital letter (Uppercase), without any white space (no-gap) between words. Write interface name in Pascal case.

Example:

interface EmployeeBasicRule

{

  ///Code

}

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Method: Method name should start with small letter(lowercase) and with the first letter of next word in capital letter (uppercase). Write method name in Camel Case.

public void getEmployeeNetSalary

{

   //code

}

Java Class, Interface, Package, Constant, Variable Naming Conventions

Variable : For writing variable name you should follow the following rules:

• Write in very short names.
• Should not start with underscore or any special characters.
• Should not start with numeric character.
• It should start with Character.
• Don't use reserve keywords in Variable name.

Example:

string FullName

Java Naming Conventions 

Package: Package name should be write in small letter (lowercase). Package name should be separated with .(dot) . Package name should have main title / department name. Like Sales, Purchase, HR because package is grouping of classes, interfaces.

Example:

package com.Employee.Attendance

Constant in Java YCMOU

Constant: Constant name should be start in capital letter (uppercase). Constant name should be separated with _ (underscore).

Example:

static final int Max_Salary = 45000;