What are static initalizers in java ?
Why java strings are immutable in nature?
How do you decide when to use arraylist and linkedlist?
does core java and j2se both are same?
What are advantages of using Java?s layout managers than windowing systems?
What is sizeof in java?
What is the use of hashmap in java?
What is encapsulation? Elaborate with example?
Where is the singleton class used?
Is there is any error if you have multiple main methods in the same class?
What are different types of multitasking?
Define reflection.
Can we have more than one package statement in source file ?