What is string pool?
briefley expalin about the packages
How does thread synchronization occurs inside a monitor? What levels of synchronization can you apply?
What happens when you assigned a 'double' value to a 'String'?
What do you mean by data type?
When should I use singleton?
Explain super keyword in java.
Why null interfaces are used in Java?
What is contract between hashcode and equal method?
What technique is carried out to find out if a particular string is empty?
What is the functionality of the stub?
What is a hashmap used for?
Explain about instanceof operator in java?