Final Keyword

Using final The final keyword in Java is used to apply restrictions on classes, methods, and variables. It can be used to prevent inheritance, method overriding, and modification of variables. Key Points: final class: A class declared as final cannot be subclassed. final method: A method declared as final cannot be overridden by subclasses. final variable: A variable declared as final cannot be reassigned after initialization. Example 1: Using final with a class When a class is declared final, it cannot be extended (inherited). ...