Final Class in Java – Definition, Syntax, and Example

Java Final Class: Key Points, Examples, FAQs & Related Links | YourBlogName Java Final Class: Complete Guide with Examples In Java, the final keyword can be applied to classes, methods, and variables. When a class is declared final , it cannot be extended (inherited) by any other class. This ensures the class implementation remains unchanged and secure. Key Points of Final Class Cannot be inherited – No other class can extend a final class. Prevents modification – Its implementation remains unchanged. All methods are final – Methods cannot be overridden in child classes. Used for immutability – Often used to create immutable classes (e.g., String ). Improves security – Prevents alteration of critical code. Declared using the final keyword. Syntax final class ClassName { // fields and methods } Example // Final class final class Vehicle { void display...