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

why constructor dont have returns type?

IBM,

9 14399

is JVM platform dependent or independent..?

IBM, Tech Mahindra,

11 41165

how JSP can extend servlet or interface ...?

IBM,

3 15032

Can someone please tell me the basic differences between weblogic 8,9 and 10 versions

5 11712

what is difference between interface and abstract class..?

4 7020

how many JDBC drivers ?name them?

CTS, Idea,

6 12756

what happens if connection is not closed?

CTS,

7 25259

wat happen when the connection is nt closed in jdbc n what vl happen when i interchange in executequery n execute statements

2 5164

what happen if the private constructor is written in a claass

6 9560

How to make a method thread safe without using synchronized keyword?

Persistent, Societe Generale,

8 34607

what is the collable collections in java?

Persistent,

2 12426

we have syntax like for(int var : arrayName) this syntax is to find whether a number is in the array or not.but i want to know how to find that number's location.

2055

what is the use of a super keyword?

4 7572

Can a class extend abstract class or interface? why

Wipro,

4 9740

what is java virtual machine

4 8287

Un-Answered Questions { Java Related }

Is it possible to perform collection mapping with one-to-one and many-to-one?

361

Explain the client-server architecture.

1011

What is a stringbuffer?

981

Does java arraylist maintain insertion order?

1008

Why call by value prevents parameter value change?

1090

What is j2ee stack?

923

How is annotating helpful?

397

What's the base class of all exception classes?

1080

Why is init() method is used in servlets?

1047

Is java platform independent?

999

Which type of driver provides jdbc access via one or more odbc drivers?

914

Is sessionfactory a thread-safe object?

333

What do you mean by a filter and how does it work?

976

Brief description about local interfaces?

1301

Which types of jdbc databases does weblogic jms support?

826

For More Un-Answered { Java Related } Questions Click Here