What is difference between java and java ee?
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Can we write a class without main method in java?
Explain the importance of throwable class and its methods?
Explain what pure virtual function is?
Make a data structure and implement an algorithm to print all the files in a directory. (The root directory can have sub-directories too.)
How do listeners work?
What are the core java topics?
Can we change the value of static variable?
What is the difference between compile-time polymorphism and runtime polymorphism?
Explain Connection Pooling?
Mention a package that is used for linked list class in java.
Which collection allows duplicate values in java?
Marker interface means , interface which has no methods.Then what is the necessity of its usage.I read "it tells the compiler that it should be treated differently ". "It is used to store state of an object". But still am not clear.Please explain clearly.