• On October 5, 2021
• By Karmehavannan
• 0 Comment
• Categories: Keyword in Java
• Tags: Java language, keyword in Java

Final keyword in Java programming language

Final keyword in Java programming language

In tis tutorial,We will discuss about Final keyword in Java programming language

final is a Java keyword,  it is used to restrict the user, When the variable is defined as final, you can not changed the value of the final variable. So its constant The final key word can be use 3 situations

know more about final, click Usage of final in Java programming language

When the method is defined as final method – prevent method over riding

When the method is defined as final method – prevent class  inheritance

final variable

final variable define as

Syntax

<final><data_type><variable_name>=value;

Example

final int MY_AGE=23;              //this value can not be changed

final method

final method define as

Syntax

<final><return_type><method_name>

Example

final void demo(){}

final class

final class define as

Syntax

<final><class><class_name>{}

Example

final class parent{}

There are other Java language keywords that are similar to the this keyword

super keyword in Java

this keyword in Java

finally keyword in Java

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