What is null object in java?
How to make a write-only class in java?
What is use of map in java?
How many ways can we create the string object?
What are the different types of java?
What is hotjava?
Why unicode is important?
Is singleton thread safe in java?
Why java is platform independent? Explain.
What are the advantages of passing this into a method instead of the current class object itself?
How do you avoid global variables?
How do you decide when to use arraylist and linkedlist?
Can a static method be final?
Who developed java?
Explain the use of shift operator in java. Can you give some examples?