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

What is the difference between servlet config and servlet context.

19 60109

What is the difference between sendRedirect() and forward()? in what situations do we have to use send redirect() instead of forward().

Honeywell, Mind Tree, Samsung, Wipro,

13 44821

In the HashMap, we know the values but we dont know the key, then how can we get the key from HashMap ?????

Kanbay,

4 9204

How can I call one EJB from inside of another EJB?

CTS,

2 10627

Can the primary key in the entity bean be a Java primitive type such as int?

CTS,

2 8926

What is Transient and volatile

iFlex,

10 33873

How can we serialize a jsp page.

CSC, HCL, Oracle,

3 19355

What is the differenc between Enemuration interface and iterator interface according to accessing?

4 8534

what is the difference between static block and static method

Huawei,

19 57988

What is Marker interface in java? and what is clone?

Persistent, Wipro,

16 36765

what is the diff's between swing and applet?

Invictus, Patni,

17 50371

what is the difference between equals method and ==

IBM, Professional Access, TCS,

17 27953

what is connection pooling?

Wipro,

6 18516

Is form beans are serializable or not?

College School Exams Tests, Magna Infotech,

11 25123

how many design pattern r there? and wht design pattern u use and why ?

HP,

5 11196

Un-Answered Questions { Java Related }

What is the difference between Java Program Constructor and Java Program Method, What is the purpose of Java Program constructor Please Explain it Breafily?

1060

Is swing still used in java?

977

What are different type of exceptions in java?

989

List down the steps for the demonstration of ejp persistence mechanism.

1112

What is the difference between map and flatmap in java?

943

What is the purpose of the enableevents() method in java programming?

1207

How to display all the prime numbers between 1 and 100

1034

Why does java does not support multiple inheritance? Explain

991

What is the purpose of the serializedsystemini.dat file?

1080

What is the directory structure of web application?

1000

What is method in research paper?

1154

How many times the Functional map will execute, if the attributes are 2 independent groups, one occurs 3 times and occurs 2 times? What if the 2 groups 2 dependent?

848

What are format specifiers in java?

1079

What is difference between jdbc and odbc?

1021

Is java swing deprecated?

1124

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