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 the difference between length and size in java?

1003

What is the maximum size of array in java?

998

What does index mean in java?

1013

What is complexity in java?

1072

What is difference between hashset and hashmap in java?

1029

What is collection sort in java?

967

What is toarray method in java?

1123

What is class array in java?

1085

What should I import for arraylist in java?

1060

What are the types of collections in java?

1068

How does arrays sort work in java?

1020

What is ordered map in java?

1033

What is array sorting in java?

1080

What is pangram in java?

1034

What sorting algorithm does javascript use?

1006

Un-Answered Questions { Java J2EE }

How do we check for an error in the input file?

977

Is an array a vector?

1064

What is heterogeneous in java?

990

In a program, initializing an array of 100 KB is throwing an out of memory exception while there is 100 MB of memory available. Why?

1072

Is visual studio good for java?

937

Explain is servlet mapping?

1034

What do you mean by global variable?

970

Does spring boot use spring mvc? : Spring Boot

464

Can we store variables in local blocks?

1367

Why does the integer quotient -0/3 yield 0, but the double quotient -0.0/3.0 yields – 0.0?

1060

why Bean class implements all business method of Remote interface but bean bean class not implements the remote interface

2482

Where is spring aop used?

431

What are data structures in java?

993

What are the types of servlet?

1330

How to remove the trailing spaces from a string?

1291

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