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what is Java Naming conventions?.

 Java Naming conventions: A naming convention is a rule to follow as you decide what to name your identifiers e.g. class, package, variable, constant, method etc.


But, it is not forced to follow. So, it is known as convention not rule.

Advantage of naming conventions in java

By using standard Java naming conventions, you make your code easier to read for yourself and for other programmers. Readability of Java program is very important. It indicates that less time is spent to figure out what the code does.


   
 Identifier Type

Rules for Naming

 

                    Examples
class name should start with uppercase letter and be a noun String, Color, Button, System, Thread etc
interface name should start with uppercase letter and be an adjective Runnable, Remote, ActionListener etc.
method name should start with lowercase letter and be a verb actionPerformed(), main(), print(), println() etc.
variable name should start with lowercase letter firstName, orderNumber etc
package name should be in lowercase letter java, lang, sql, util etc
constants name should be in uppercase letter GREEN,RED, YELLOW, MAX_PRIORITY etc.
 

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