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Java J2EE Interview Questions
Questions Answers Views Company eMail

What is the purpose of premetive data types in java?

Merrill Lynch, TCS,

2 8275

Howmany number of objects we can store in an ArrayList. Is there any limit?

TCS,

7 14582

What is the basic functionality of DataOutput interface in java?

TCS,

2 6174

Can we inherit the constructor in a Class?please give one example.

iGate,

9 19623

Why do we use public static with the main function in Java?

College School Exams Tests, Infosys,

13 21070

What is the difference between overloading and overriding a function?

eG Innovations, Infosys, TCS,

13 24290

How u validate date in DD/MM/YY format. and how u validate money in ur jsp

Ashok Leyland, Satyam, Tech Mahindra, Tomax,

3 8924

when we have to use final class in java?

 2 7815

how to minimize the functionality to will not force garbage collector?

 2 4590

Life Cycle of Thread

IBM,

4 11110

If we disable cookies in our web page, what will happen?

Zensar,

6 17962

what is the difference between Cpp And Java

Infosys,

15 28044

what is the use of reference variable

 6 22746

httt method

HCL,

2 6052

what is difference between vector and arraylist?.

C DAC, HCL,

4 12134

Un-Answered Questions { Java J2EE }

What do you mean by collectors in java 8?

935

How many layers are there in spring framework?

449

What does it mean to flush a file?

1070

What was java originally called?

962

How to connect multiple database in jdbc?

1082

Are there books about seam?

1112

What is the indent key?

1040

how can you validate the xml message in the flow?

822

How does list work in java?

921

How do generics work?

951

What are the two ways to create a thread?

1008

Can a serialized object be transferred via network?

963

What is declaration?

960

What are struts?

898

Why default constructor is required in hibernate?

405

For More Un-Answered { Java J2EE } Questions Click Here