In JAVA you can prevent others from extending your class by making it static using the keyword static in the class declaration.

Keep practicing — related questions

• Which of the following is/are the true statement(s) in java?
• A method in a class declared as static may be invoked simply by using the name of the method alone.
• Classes in Java cannot be made static.
• A method in a class declared as static can only access static class members.
• Static means one per class, not one for each object
• Which of the following options is not a keyword in JAVA?
• Declaring a class ______ prevents any unwanted extensions to the class.
• main() method is declared as a static method so that it can be invoked without having to create an instance...