What restrictions are placed on method overriding?

Java Interview Questions and Answers (part 1)

(Continued from previous question...)

100. What restrictions are placed on method overriding?

Overridden methods must have the same name, argument list, and return type. The overriding method may not limit the access of the method it overrides. The overriding method may not throw any exceptions that may not be thrown by the overridden method.

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Other Interview Questions

• What's Java?
• What does a well-written OO program look like?
• Can you have virtual functions in Java?
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• How to define an Abstract class?
• How to define an Interface?
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• How many methods in the Externalizable interface?
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• How are Observer and Observable used?
• What is synchronization and why is it important?
• What are synchronized methods and synchronized statements?
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• What is thread?
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• How can you write a loop indefinitely?
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• How are the elements of a GridBagLayout organized?
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• What is the difference between static and non-static variables?
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• What is the purpose of the File class?
• Why would you use a synchronized block vs. synchronized method?
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• What is the Set interface?
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