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Interview Questions and answers
Is Java a super set of JavaScript?
Answer :
No. They are completely different. Some syntax may be similar.
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JAVA Interview Questions and Answers
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2014
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How to add menushortcut to menu item?
What is the benefit of subclass?
What is scalability and performance?
What are use cases?
What is design by contract?
What is polymorphism?
How the object oriented approach helps us keep com...
What is a Container in a GUI?
Is Java a super set of JavaScript?
Does the code in finally block get executed if the...
Explain the usage of Java packages?
What is Serialization and deserialization ?
What are the Object and Class classes used for?
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What is a Container in a GUI?
Answer : A Container contains and arranges other components (including other containers) through the use of layout managers, which use sp...
What is polymorphism?
Answer : Polymorphism means "having many forms". It allows methods (may be variables) to be written that needn't be concer...
What is scalability and performance?
Answer : Performance is a measure of "how fast can you perform this task." and scalability describes how an application behave...
How the object oriented approach helps us keep complexity of software development under control?
Answer : We can discuss such issue from the following aspects: Objects allow procedures to be encapsulated with their data to reduce pot...
What is design by contract?
Answer : The design by contract specifies the obligations of a method to any other methods that may use its services and also theirs to ...
What is the benefit of subclass?
Answer : Generally: The sub class inherits all the public methods and the implementation. The sub class inherits all the protected methods...
What is Serialization and deserialization ?
Answer : Serialization is the process of writing the state of an object to a byte stream. Deserialization is the process of restoring thes...
How to add menushortcut to menu item?
Answer : If you have a button instance called about Button, you may add menu short cut by calling about Button. set Mnemonic('A'...
Java Interview Questions - Can you have virtual functions in Java?
Answer : Yes, all functions in Java are virtual by default. This is actually a pseudo trick question because the word "virtual" ...
Explain the usage of Java packages?
Answer : This is a way to organize files when a project consists of multiple modules. It also helps resolve naming conflicts when diffe...
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