Java J2EE Interview Questions
Questions Answers Views Company eMail

How does a for loop work?

737

What is formatted output?

728

Why is whitespace important?

776

What is == and === in javascript?

771

What is immutable data?

819

What is difference between next () and nextline () in java?

760

What does sprintf mean?

725

What is the symbol for space?

756

What is the use of conditional statement?

742

How do you clear a list in java?

811

How do you empty a list in java?

756

How do you sort an array in java?

773

What are the escape sequences in java?

758

What does exclamation mean in java?

771

What is a jagged array in java?

782


Un-Answered Questions { Java J2EE }

What do you mean by spring java based configuration?

296


What is hasnext in java?

777


What is an enumeration?

776


Can we serialize singleton class?

770


What is reverse function?

793


How hashmap works in java?

796


Can there be an abstract method without an abstract class?

727


What does string intern() method do?

828


What is constructor chaining and how is it achieved in java?

782


What is lazy initialization in hibernate?

274


What is servlet container. how it works?

879


Can you tell me range of byte?

752


What is the Difference between socket and servlet?

1014


Explain access modifiers in java.

777


Explain how to improve Servlet Performance?

827