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 19805

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

CSC,

10 28526

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

7 17962

how u do unit testing?

iFlex,

2 6187

How u dubugg ur project?

iFlex,

1 6452

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

4 7921

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

Infosys,

2 11578

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 9751

who was the founder of java

CTS, HCL, ProKarma,

32 56787

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?

2162

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 11330

we cant Override Jsp Service method?Why?

Infrasoft, Mind Tree,

4 39156

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

Accenture, L&T, TCS,

5 44500

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 11221

what is mean by method signature?

Satyam,

5 9755

Un-Answered Questions { Java Related }

What are the components of JMS?

955

Which data type is class in java?

1028

Why do we need framework in java?

871

Define the term string pool?

1026

What is fundamental datatype?

1017

difference between circular logging and linear logging?

995

What are the 3 types of control structures?

1032

What is dbcontext and dbset?

427

What is bean in spring?

456

What is the difference between executing, executequery, executeupdate in jdbc?

1017

What is persistence object hibernate?

444

How many modules are there in spring framework and what are they?

409

What all access modifiers are allowed for top class ?

1203

What does you mean in math?

1106

What are the benefits of using hibernate template?

500

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