How does map works in java?
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Why hashcode is used in java?
What are sets in java?
What are the library functions in java?
how a programmer confirms that the data submitted has been succesfully inserted into the database(either oracle or my sql).. How a programmer confirm if there is any problem with the program he wrote for insertion
Why const and goto are reserved keyword in java?
Is space a char?
What is the reflection?
How many types of methods are there?
How do you check whether the list is empty or not in java?
What is a treeset class?
What is append function?
When is an object in the mean to garbage collection?