What is a key difference between 'final' and 'finally' in Java?

• A. Final is used for variables, finally is for exception handling
• B. Final is an exception, finally is a keyword
• C. Final cannot be inherited, finally provides resource handling
• D. Final applies to classes and methods, finally does not

Answer: (A)

The distinction between 'final' and 'finally' in Java is essential for understanding their roles in the language. 'Final' is a keyword used to declare constants, prevent method overriding, and restrict inheritance for classes. Essentially, when you declare a variable as final, it means that its value cannot be changed once assigned. Similarly, when applied to methods, it indicates that the method cannot be overridden in subclasses, and when used with a class, it means that the class cannot be subclassed.

On the other hand, 'finally' is specifically used in the context of exception handling. It is a block of code that follows a try-catch block and is executed regardless of whether an exception was thrown or caught. This is useful for resource management, such as closing file streams or releasing resources, as it guarantees that the code inside the finally block will always run despite the outcome of the try and catch blocks.

Thus, the correct choice highlights that final is used for variables to enforce immutability and restrict behavior, while finally plays a crucial role in managing code execution during exceptions. Understanding these keywords is fundamental for effectively utilizing Java's features and managing resources properly during exception handling.