Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Java J2EE Interview Questions

Questions Answers Views Company eMail

What is difference between arraylist and list in java?

1094

Is null or empty java?

991

What is thread synchronization in java?

903

Which is the class in java?

1058

What is return null in java?

967

Where is java located?

1055

What is treeset in java collection?

973

What is map and hashmap in java?

1068

Is null in java?

1021

What is the arraylist in java?

1058

What is queue in java?

1156

Why do we need array in java?

1026

Why arraylist is not synchronized in java example?

1070

What is the use of arraylist in java?

1096

What is a arraylist in java?

1076

Un-Answered Questions { Java J2EE }

Difference between load and get method?

978

What is container-managed sign-on?

983

Explain the advantages and disadvantages of detached objects.

1030

Does hibernate use jdbc?

419

Is hibernate obsolete?

349

Does set allows null in java?

966

Explain the advantages of using dao module?

426

How do you convert bytes to character in java?

1004

Enlist the CallBack methods of Session Bean?

1047

What do you understand by business logic?

912

What is parsing and its types?

1114

Why hibernate is advantageous over entity beans & jdbc?

438

What is Mutex (Mutual Exclusion Object) ?

1152

What are computer functions?

948

What is benefit of using preparedstatement in java?

925

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