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

Is void a data type?

1002

What is difference between float and double?

1017

What is byte data type?

1061

What is difference between char array and string?

1188

Can we write class inside a class in java?

1040

What is data type in computer?

1011

What is ascii format?

1040

What is an array length?

972

What is data type example?

1016

What is character in data type?

1013

What does || mean in vectors?

989

What does || mean in code?

1109

Can a final variable be manipulated in java?

1050

What 5 doubled?

1054

What causes memory leak in java?

994

Un-Answered Questions { Java J2EE }

What is the maximum size of hashmap in java?

1061

What is repository pattern?

525

What are the actions that can occur when a thread enters blocked state?

1122

Is ioc and di same?

492

How does spring singleton work?

458

Can you declare mappings for multiple classes in one mapping file?

406

Explain the features of interfaces in java?

1040

how to deploy tomcatserver to weblogic server? write d following steps?

2018

How does a for loop work?

1051

How to create a base64 decoder in java8?

1117

What class.forname does, while loading the drivers?

1040

How do you check if two given string are anagrams?

1013

Does hibernate cache data?

443

How would you create a button with rounded edges?

1257

What do you mean by re-entrant? Can you say that session beans as re-entrant? Can entity beans be specified as re-entrant?

1035

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