When should I use a singleton?
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What is the static import?
Does java allow default arguments?
What are the topics in advance java?
What are the allowed, non-Unicode letter characters that can be used as the first character of an identifier?
Why only one Class is public in one file? Explain in details. Thanks in Advance.
What is data object example?
What is the code inside the public void actionPerformed(ActionEvent ae) override method in Applet [ Condition:- you have one TextField and One Button , you have to enter any color name inside the TextField, when you click on Button Your background will change according to your input color name]
Explain when we should make an instance variable private.
Explain serialization and deserialization in java?
What do you understand by casting in java language?
State some situations where exceptions may arise in java?
What is passed by reference and pass by value ?