Java Naming Convention
The convention or the rule which you follow in order to name anything in java such as class , method , variable , constant , package etc. is known as the java naming convention.
Camel case in java
camel casing is a strategy to join multiple word and form a single word by following upper case letter and lower cases letter. In Java we uses Camel Case as a practice to declare the names of methods, variables, classes, packages and constants.
eg : studentId
Camel case in java
camel casing is a strategy to join multiple word and form a single word by following upper case letter and lower cases letter. In Java we uses Camel Case as a practice to declare the names of methods, variables, classes, packages and constants.
eg : studentId
Java Naming Convention - For Classes
- Class name should starts with upper case Letter.
- Every inner word should starts with upper cases letter.
- Class name Should be noun eg. Button , Color etc.
- There should no space in class name .
Example
eg : Employee , Student , String , StringBuffer .
public class Employee
{
//business Logic
}
- Interface name should starts with upper case Letter.
- Every inner word should starts with upper cases letter.
- Interface name Should be noun eg. Button , Color etc.
- There should no space in Interface name .
Example
eg : Serializable , RandomAccess .
interface Students
{
//Business Logic
}
- Method Name should starts with lower cases letter .
- Every inner word should starts with upper cases letter.
- Methods should be a verb .
- Method name should in mix case.
Example
eg : speedUp () , post ().
public class Employee
public class Employee
{
void classTeacher ()
//business Logic
}
Java Naming Convention - For Variable- Variable Name should starts with lower cases letter .
- Every inner word should starts with upper cases letter.
- Variable name Should not starts with "_" or "$" Sign .
Example
eg : a , studentId , rollNum
public class Employee
{
int empId ;
//business Logic
}
Java Naming Convention - For Package
- package Name should starts with lower cases letter .
- Every inner word should starts with lower cases letter.
- Package name should accept the dot (.) to separate two words eg. java.lang
Example
eg : java.io , java.lang
eg : java.io , java.lang
package com.javaacharya
public class Employee
{
//business Logic
}
Java Naming Convention - For Constants - All the word in constant name should be in upper case
- use underscore (_) to separate 2 words.
Example
eg : MAX_PRIORITY
public class Employee
{
static final int MAX_AGE=20;
//business Logic
}
Hope !!! The above lesson java naming convention helpful for You ...
Tags : Naming convention in java , java naming convention , Code convention in java , Coding convention in java , java coding convention
Hope !!! The above lesson java naming convention helpful for You ...
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Tags : Naming convention in java , java naming convention , Code convention in java , Coding convention in java , java coding convention