final methods in java code example

Example 1: what is final in java

Final is used to apply restrictions on class, method, and variable.
The final class can't be inherited, final method can't be overridden,
and final variable value can't be changed. Final is a keyword

Example 2: java final meaning

private final String hello = "Hello World!";
/*
The keyword final states that the variable, method or class
associated will not have it's value changed.
*/

Example 3: final method meaning

When a METHOD is declared with final keyword, it is called a final method. 
A final method cannot be OVERRIDEN.
when a CLASS is declared final then it cant be INHERITED.
when a VARIABLE is declared final its value cant be CHANGED.