Can long be null in java?
What are the different ways to handle exceptions?
Explain restrictions for using anonymous inner classes?
What is the arraylist in java?
What is prefix of a string?
Different types of Layouts?
Is class is a data type?
what is aggregation in java?
Name the package that always imported by default?
What are aggregate functions explain with examples?
What is stringbuffer in java?
Is string a class in java?
Why set do not allow duplicates in java?