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

If two threads call a static method at the same point of time, what will happen?

3 9032

There are 2 methods in a class. Both have the same method signature except for return types. Is this overloading or overriding or what is it?

KPIT,

9 14181

There are 2 classes, 1 LandAnimal and another WaterAnimal. There is another class Animal which wants to have the properties of both LandAnimal and WaterAnimal. How will you design this situation?

KPIT,

6 11075

I have a String s = java; What is the output when I say s.replaceAll('j', 'k'); Also what is the value of s after replacing?

KPIT,

8 12128

If you are reviewing the code of your team members, what points will you look at, assuming the performance of the application is not so great

KPIT,

2 6446

How will you convert an ArrayList to Arrays?

KPIT,

4 9563

steps to connect with Oracle Databse using TYPE-2 Jdbc driver.

3 12100

how do we get the connection from connection pool

1 4459

what are the methods of an object class?

3 6559

can u give one sinario when you use Abstract Class and When you use Interface.

ITC Infotech,

5 10048

What does 'stub' mean in weblogic server?

3 22681

Nullpointer exception is a very common exception. Why is it not made as a checked exception?

Ness Technologies,

2 7926

What is the difference between Checked and Unchecked exception? Give some examples

Ness Technologies,

2 8198

What is the purpose of having the concept of overloading?

Ness Technologies,

7 19025

How does Vector implement synchronization?

Ness Technologies,

4 12618

Un-Answered Questions { Java Related }

How is declarative handling of exceptions done in struts ?

1001

How can you inject java collection in spring?

506

What if I write static public void instead of public static void?

930

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2417

Are jvm’s platform independent?

981

Write a program to print count of empty strings in java 8?

1084

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2260

What do you understand by casting in java language? What are the types of casting?

923

Explain public static void main(string args[]) in java.

1066

What is the difference between filters and interceptors ?

1306

What is lazy class?

484

What is the difference between equals() and == in java?

1033

Can we return resultset in java?

990

What is a constructor overloading in java?

1123

Write a program to find the whether a number is an Armstrong number or not?

1095

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