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

Core Java (6529)
Advanced Java (552)
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Servlets (804)
Struts (701)
JDBC (771)
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Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

Why do we need mapping in hibernate?

602

How many attributes are there in column annotation?

375

What is true for hibernate and jpa?

399

What is a persistence context?

377

What is the use of merge method in hibernate?

449

What is the difference between unidirectional and bidirectional hibernate?

438

What is the use of hql in hibernate?

576

Which is better save or persist in hibernate?

386

What is meaning of cascade in hibernate?

372

What is a crud repository?

395

What do you write in annotations?

385

What is the difference between flush and commit in hibernate?

426

What is use of transaction in hibernate?

471

Which is better hibernate or jdbc?

488

Why sessionfactory is singleton in hibernate?

367

Un-Answered Questions { Java J2EE }

Which one is the default transaction factory in hibernate?

391

What is the difference between using getSession(true) and getSession(false) methods?

1058

What is the difference between system.out ,system.err and system.in?

1122

What is core spring?

412

What are managed servers?

1078

When was ejb developed?

1038

Can we clone singleton object in java?

1035

Can we increase array size dynamically in java?

965

When object is created and destroyed?

1115

What is the node?

934

What is the synchronized method modifier?

1227

What is module in project?

984

What is classpathxmlapplicationcontext?

428

What do you mean by configuration annotation in spring?

411

What are advantages of spring usage?

423

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