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

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

Java Related Interview Questions

Questions Answers Views Company eMail

Driver manager is a class/interface.

Bally Technologies, College School Exams Tests, TCS,

5 19819

How to create an instance of a class without using "new" operator? Plz help me out properly.Thank u.

CSC,

10 28552

give me a java code snippet to connect Microsoft excel through.... I am trying alot... plz help me.

7 17986

how u do unit testing?

iFlex,

2 6197

How u dubugg ur project?

iFlex,

1 6456

what is the difference between?when we write the code in following manner? class One extends httpservlet { } and class One extends genericservlet { }

4 7935

how can u integrate ejb and hibernate? How can u call hibernateDAO methods in session bean?

Infosys,

2 11587

Hi guys.. Well can u tell me that why there is need of "init()" , i mean why can not we initialize the servlet object with the help of constructors? Thank you.

7 9770

who was the founder of java

CTS, HCL, ProKarma,

32 56839

AS a developer will u create a data source in connection pool? If so how will u do that, how to access the object from connection pool using IRAD tool?

2166

when connecting with the database,if database server is down,ho can we handle this exception in struts,how can we send error message to the user?

Wipro,

4 11332

we cant Override Jsp Service method?Why?

Infrasoft, Mind Tree,

4 39166

how can we create object to a class in a jsp file?

Accenture, L&T, TCS,

5 44521

i have class files in class folder. but i have no java files. but i want to modify the java files which are related to class files . how ?

TCS,

5 11235

what is mean by method signature?

Satyam,

5 9763

Un-Answered Questions { Java Related }

Explain OOPs concept.

1104

Explain the importance of throws keyword in java?

1012

How do you pass by reference?

1078

What is ojdbc?

952

What does function identity () do?

982

How many bytes is a string in java?

1014

What is wiring in spring?

457

Can long be null in java?

1040

What are the inheritance mapping strategies?

469

how can i use a nonsynchronized hashtable?

2591

What are the components in bean definition?

534

What are the autowiring modes in spring?

458

Can java list contain duplicates?

1034

How you will decide when to use prototype scope and when singleton scope bean?

429

What's java swing?

1024

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