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

Core Java (6529)
Advanced Java (552)
Swing (223)
EJB (402)

Servlets (804)
Struts (701)
JDBC (771)
JMS (324)

SunOne (10)
J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

What is Request Dispatcher?

1 1430

What are the advantages of Servlet over CGI?

1142

Is it good idea to create servlet constructor?

1249

What is difference between PrintWriter and ServletOutputStream?

1290

How to convert string to byte array and vice versa?

1086

What is string subsequence method?

1120

How can we make sure main() is the last thread to finish in java program?

1193

how to split string in java?

1208

What does string intern() method do?

1081

Difference between string, stringbuffer and stringbuilder?

1022

What is volatile keyword in java

1119

Explain differences between collection api and stream api?

1177

What are the three parts of a lambda expression? What is the type of lambda expression?

1031

Does string is thread-safe in java?

1082

What is java thread dump, how can we get java thread dump of a program?

996

Un-Answered Questions { Java J2EE }

What is @id in spring boot? : Spring Boot

411

What is the maximum size of arraylist in java?

1002

How Hibernate is database independent explain?

372

What is the function of drivermanager class?

1095

How to check if linked list contains loop in java?

898

In what points, can weaving be applied?

402

Explain about label node?

932

How does ejb work in java?

979

What is java naming and directory service?

936

What is the default fetch type in hibernate?

386

What is HQL?

307

Can you write a java class that could be used both as an applet as well as an application?

957

What is jdbc architecture?

1038

How long will it take to learn java?

989

What is orm database?

323

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