What is java command?
Difference between association, composition and aggregation?
Differentiate between array list and vector in java.
how to know the total memory occupied by the objects in the ArrayList(Array list may contain duplicate objects)
What is a treeset in java?
what is the difference between future and callable interface in java?
What is the use of coding?
what is the difference between AWT and SWING what is the advantage of using swing?
Difference between the String and StringBuffer classes?
Explain wait(), notify() and notifyall() methods of object class ?
What is meant by JVM ?
What are meta-annotations?
How is rounding performed under integer division?