What is the difference between reader/writer and inputstream/output stream?
Are arrays static in java?
What is the purpose of sizeof operator?
primitive data types in Java ?
How is string immutable in java?
How many bytes is a string in java?
Which data type is class in java?
Can a lock be acquired on a class?
What is purpose of applet programming?
Can we extend immutable class?
What is substring 1 in java?
Can a set contain duplicates?
Explain about varargs in java?