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

Explain about fail safe iterators in java?

1041

When we serialize an object does the serialization mechanism saves its references too?

1037

What is an eror in java?

1070

Explain about map interface in java?

1003

What is sortedmap interface?

1015

What is linked hashset and its features?

1075

What is serial version uid and its importance in java?

1062

What is linked hashmap and its features?

1023

Explain which of the following methods releases the lock when yield(), join(),sleep(),wait(),notify(), notifyall() methods are executed?

1140

Can we define static methods inside interface?

997

How many times finalize method will be invoked? Who invokes finalize() method in java?

1034

List out benefits of object oriented programming language?

911

Can we able to pass objects as an arguments in java?

1034

What is type conversion in java?

1052

What is concurrent hashmap and its features?

1110

Un-Answered Questions { Java J2EE }

what is daemon thread and which method is used to create the daemon thread? : Java thread

979

What are types of j2ee clients?

969

What is commit?

1074

How do you call a reference in java?

1002

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

1027

What is a class loader? What are the different class loaders used by jvm?

1125

What is action class?

1065

What do you mean by in-memory replication?

1090

What is bean wiring?

428

What is java technology stack?

906

What is the difference between length and length () in java?

963

Can a class have an interface?

1010

Can you sort a string in java?

925

How does spring boot handle security? : Spring Boot

531

Explain about message selector?

908

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