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

Why is the singleton pattern considered to be an anti pattern?

902

What is anti pattern in cyber security?

1048

What is the use of singleton?

980

When should I use singleton pattern?

1058

Can a class have more than one object?

1015

What is lazy programming?

1056

What is thread safe singleton?

965

What is double checked locking in singleton?

1069

How do you achieve singleton?

994

Can we use static class instead of singleton?

1068

What is a singleton in genetics?

1099

Can we extend singleton class in java?

981

What does singleton mean in java?

1013

How many ways can you break a singleton class in java?

1000

Can I extend singleton class in java?

1121

Un-Answered Questions { Java J2EE }

Can we create two sessionfactory in hibernate?

402

What do you mean by composition in java?

1042

what do you mean by classloader in java?

1047

Is constructor inherited?

982

Which services are provided to ejb components by the ejb container?

1156

What is the use of cglib?

407

How can an application do a jms operation and have it succeed, independent of the result of the transaction?

805

are there any differences between weblogic and websphere?

910

What is final keyword?

1178

How do you define a method?

989

Explain hashset and its features?

1168

What are the legal parameters?

1028

What is Applet Stub Interface ?

2512

Can we define a package statement after the import statement in java?

1087

What is == and === in javascript?

1071

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