Java Related Interview Questions
Questions Answers Views Company eMail

What super () does in java?

568

Which is bigger double or float?

626

Which is better 64 bit or 32 bit?

592

How many decimal digits is 64 bit?

619

What happens if we override only equals?

654

Can abstract class have private constructor?

580

What is double word?

634

What is integers and example?

585

What is factor r?

623

What is a parameter in simple terms?

642

What is a method in coding?

662

What does singleton class mean?

624

Can a static method be final?

643

What does the @override annotation do?

642

Is 64bit faster than 32 bit?

679


Un-Answered Questions { Java Related }

What are the types of java collections? : java collections

635


How to run a JAR file through command prompt?

814


What happens when I change a value in the httpsession from inside an ejb?

608


What is the advantage of namedparameterjdbctemplate?

600


Are registers volatile?

628






How many servlet objects are created?

652


When will we prefer to use set and list in java and why?

620


Are interceptors thread safe?

662


Can we convert stringbuffer to string?

640


What is the base class of all classes?

652


What are ejb containers?

627


I have a process running on one of my unix terminals, but I cannot close the terminal window as the process will terminate. How can I transfer this process to a background process?

730


How do you square a number?

716


What is difference between iterator access and index access?

739


Why use POJO when I can use hashmap

2151