Does isempty check for null?
What does ide stand for?
What is a numeric digit?
Why string is not a wrapper class?
What does nullpointerexception mean?
Why string is a class?
What is boolean flag in java?
What is boolean in java?
Can you call a method on a null object?
What does string [] args mean?
How do you declare an empty string?
What is size of int in java?
What is a char in java?
What is a dot notation?
What are the six ways to use this keyword?