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

How can I right-justify a string?

Aspire, Infogain,

1179

How would overload a function based on return type?

Genpact,

969

Which method you will use to create a new file to store some log data. Each time a new log entry is necessary, write string to the file in java ?

HCL,

1161

Write a program to find the whether a number is an Armstrong number or not?

Aspire, Infogain,

1032

Is it possible to use Semaphore/ Mutex in an Interrupt Handler?

Ciena,

1092

Explain Basics of OOP Language in java

Atos Origin,

1060

What is an empty class? What functionality does it offer in Java?

Deloitte, EXL, JPMorgan Chase,

1274

Give any two differences between C++ and java.

GrapeCity,

1146

What do you mean by Hash Map and Hash Table?

Atos Origin,

1096

Why is String immutable?

Atos Origin,

1062

What is a local block?

Global Logic,

1141

What do you mean by exception handling in Java?

Atos Origin,

1295

What are dot operator queries?

Atos Origin,

1104

What are annotations in java?

Impetus,

1095

What is the use of a copy constructor?

Flextronics,

992

Un-Answered Questions { Java J2EE }

Is java hard to learn?

901

What is meant by local variable and instance variable?

1018

What does autowired mean in spring?

408

Can we sort set in java?

952

Difference between Integral and Burst in the FetchAs of SourceRule (Card Properties)?

833

Considering notepad/ie or any other thing as process, what will happen if you start notepad or ie 3 times? Where 3 processes are started or 3 threads are started?

1156

EDS (Electronic Data Systems India Pvt Ltd) at Chennai on 16-12-2006.

9210

What do you mean by deployment descriptor?

1058

Describe in brief RequestDespatcher?

1139

Are enterprise beans allowed to use thread.sleep()?

1152

Why do we need spring jdbctemplate?

404

What is use of @transactional?

435

What is the use of beanfactory in spring?

494

How to start node manager?

1033

How does singleton work in spring?

455

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