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 causes memory leaks in java?

940

Can memory leak happen java?

1011

How do you use parseint in java?

986

What is nextint java?

1071

Why scanner is used in java?

1076

What does orm mean?

408

What is columnar data format?

411

Why orm tool is being used?

347

What is the difference between dao and repository?

574

What is lazy loading and eager loading?

464

What is the difference between update and merge?

417

What is fetchtype lazy?

410

Why is hibernate used in java?

415

What is cascade type?

450

What is the use of transient?

439

Un-Answered Questions { Java J2EE }

What is bidirectional flow?

346

What is spring boot framework? : Spring Boot

389

Which containers use a flowlayout as their default layout in java programming?

1014

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

1021

Is static a keyword in java?

985

What is run time allocation?

1028

What is ServletConfig object?

1185

How do you troubleshoot server hang?

1108

Write a program of web logic server to get the connection pool attribute?

956

What do you mean by ejb?

998

Explain the main method?

1053

What state is a thread in when it is executing?

964

What are checked exceptions?

1037

Why do we go for spring?

382

What are heavyweight components? What is lightweight component?

981

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