INTERVIEW QUESTIONS J2EE CORE JAVA DETAILS

Question: What is final modifier?

Answer: The final modifier keyword makes that the programmer cannot change the value anymore. The actual meaning depends on whether it is applied to a class, a variable, or a method.

* final Classes- A final class cannot have subclasses.
* final Variables- A final variable cannot be changed once it is initialized.
* final Methods- A final method cannot be overridden by subclasses.

The final modifier keyword makes that the programmer cannot change the value anymore. The actual meaning depends on whether it is applied to a class, a variable, or a method.

* final Classes- A final class cannot have subclasses.
* final Variables- A final variable cannot be changed once it is initialized.
* final Methods- A final method cannot be overridden by subclasses.
Source: CoolInterview.com

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