What is user defined exception in Java?
Make a data structure and implement an algorithm to print all the files in a directory. (The root directory can have sub-directories too.)
What is variable and rules of variable?
What is a return in java?
What is meant by 'bit masking' in java?
What is a default method?
What is java lang string?
What is JVM and is it platform independent?
Is main an identifier?
What is the use of conditional statement?
What is the difference between state-based unit testing and interaction-based unit testing?
Explain numeric promotion?
Why string is not thread safe?
What is the purpose of the file class in java programming?
What is a numeric string?