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

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Java Related Interview Questions

Questions Answers Views Company eMail

What is meant by Encapsulation? Can you write a class to explain encapsulation?

Ness Technologies,

8 16743

What is meant by event handling in SAX parser?

Ness Technologies,

1 6250

When you say String is immutable, what do you mean by that? Say I have String s = "Ness" s= s+"Technologies"; What will happen? If the value gets appended, then what is the meaning of immutable here?

Ness Technologies,

5 17190

Java violates few objected oriented concepts. Can you explain in what way?

Ness Technologies,

3 9092

how to prevent finally block from execution

Bosch,

4 10121

write a query to select name from one table which has id,name and salary from another table which has id, sal where the salary is the second maximum

Bosch, HireCraft, Infosys,

3 9632

Why java Don't Support Multiple interitence

ABC, Exilant, IBM,

8 14734

How can the admin console be disable before it is re-enable by WLST?

BEA,

1 7238

In Java why we write public static void main(String args[]) why not main()?

Aptech, GE Healthcare, Infosys, Microsoft, New Horizon, Practical Viva Questions, TCS, Wipro,

46 109325

Difference between Web-based applications,Client- Server applications and Distributed applications?

Infosys,

3 13657

Why Java is a platform independent language?Explain byte code and JVM

HCL,

8 22801

Catch(Exception e){ } in that what is Exception and purpose of that in that place exactly?

3 5006

what is the diff between Servletcontext and servletconfig?

5 7243

what is the purpose and activity of SessionFactory in hibernate?

Cognizant, HCL, Oracle, PiServe Technologies,

13 56565

how many access specifiers are available in java

11 23344

Un-Answered Questions { Java Related }

How to rectify errors in java servlet while compilation?

977

What is hibernate model class?

436

How many functional interfaces does java 8 have?

1043

Explain url encoding?

1004

What is candidate key explain with example?

379

Explain the common use of ejb?

1118

What is number data type?

1044

What are the various causes for out of memory?

1018

How many types of ioc are there in spring?

551

What are the main differences between notify and notifyAll in Java?

1110

What is equals method in java?

1055

How many bits is a string?

1027

Why serialization is used in java?

1098

What is the use of beanpostprocessor in spring?

431

What are the orm tools available?

395

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