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 access modifiers can be used for class ?

1021

Explain when classnotfoundexception will be raised ?

1038

Explain when noclassdeffounderror will be raised ?

1049

What all methods are used to prevent thread execution ?

1033

What are inner classes or non static nested classes in java?

1174

What are packages in java?

5 1642

Difference between ‘is-a’ and ‘has-a’ relationship in java?

1006

Explain why wait(), notify() and notifyall() methods are in object class rather than in thread class?

1007

Can we override constructors in java?

1132

Can sleep() method causes another thread to sleep?

1039

Explain importance of throws keyword in java?

980

In how many ways we can create threads in java?

1219

Can we have multiple catch block for a try block?

1018

What are advantages of exception handling in java?

1022

When do we use synchronized methods in java?

1045

Un-Answered Questions { Java J2EE }

Is string a class in java?

978

Explain restrictions on using enum?

1078

What is the use of @autowired annotation in spring?

399

What is lazy loading and eager loading?

457

Why wait(),notify(),notifyAll() methods defined in Object class althought we are using in only threads.

2820

How to generate and propagate the plugin?

961

What is the exportrelease.xml ?

854

How can we get hibernate statistics?

353

what are the perspectives we have?

860

Where can I find seam examples and documentation?

1098

Is j2ee a framework?

927

What is multi-catch block in java?

1078

What is default switch case? Give example.

1007

What are the three best choices for a development environment?

1116

Which type of JDBC driver is the fastest one?

1088

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