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

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JDBC (771)
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Java J2EE Interview Questions

Questions Answers Views Company eMail

There are two classes named classa and classb. Both classes are in the same package. Can a private member of classa can be accessed by an object of classb?

1503

What is the base class in java from which all classes are derived?

994

Can we declare a class as abstract without having any abstract method?

1015

Which of the following classes will have more memory allocated?

1041

Does importing a package imports its sub-packages as well in java?

987

How objects of a class are created if no constructor is defined in the class?

1092

Give an example of use of pointers in java class.

1045

I want to persist data of objects for later use. What is the best approach to do so?

1081

What is the purpose of static methods and static variables?

1091

What are java packages?

1050

What are the performance implications of interfaces over abstract classes?

1 3690

How can you generate random numbers in java?

1070

When a lot of changes are required in data, which one should be a preference to be used? String or stringbuffer?

1252

How can an exception be thrown manually by a programmer?

1019

How we can execute any code even before main method?

1166

Un-Answered Questions { Java J2EE }

What is @pathparam?

435

What is @controller in spring boot? : Spring Boot

509

Explain about features of local inner class?

1148

Can we have more than one MDQ in one map?

857

What is the purpose of the wait() method?

1230

What is the difference between view and viewmodel?

661

Why do we need view resolver in spring mvc and what is an internal view resolver in spring?

470

Is j2ee and jee same?

960

What is the use of entitymanager in hibernate?

382

What is difference between ServletResponse sendRedirect() and RequestDispatcher forward() method?

1131

Which of the classes will have more memory allocated?

996

What is the point of java?

1048

What is the latest technology used in java?

1058

What is a key in java?

992

How does a sender application transport/send a message through jms?

921

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