What is optional in java 8? What is the use of optional?advantages of java 8 optional?


No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More Java Related AllOther Interview Questions

what diff bw constructor method & method

4 Answers   CTS,


How does java handle integer overflows and underflows?

0 Answers  


What is java language expression?

0 Answers  


How long can a lambda function run?

0 Answers  


What is jar file in java?

0 Answers  






What is class path in java?

0 Answers  


What is meant by annotation in java?

0 Answers  


Explain the common use of ejb?

0 Answers  


What are anonymous methods and lambda expression?

0 Answers  


What is maven in java?

0 Answers  


What is aop java?

0 Answers  


What is flatmap in java8?

0 Answers  


Categories