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

In a program, initializing an array of 100 KB is throwing an out of memory exception while there is 100 MB of memory available. Why?

MCN Solutions,

1124

What happens when a thrown exception is not handled?

Wipro,

1207

Can a class have a static inner class?

1124

Can classes declared using the abstract keyword cab be instantiated?

MCN Solutions,

1098

Difference between keyword and identifier.

TCS,

1097

What is var keyword ?

Wipro,

1244

What is meant by JVM? Is JVM platform independent or not?

Wipro,

1137

Explain the process of Configuring Queues in Jms?

Tech Mahindra,

909

What is the difference between Jms and Jvt ?

Tech Mahindra,

980

Explain the meaning of java applet.

TCS,

1132

What is java Applet?

TCS,

1161

Tell me a few examples of final classes defined in Java API?

DELL,

1167

What are the main steps in java to make JDBC connectivity?

UGC Corporation,

1078

How we can make simple java program for Server/Client Communication

PUCIT,

1134

What is the main difference between Client side Java Script and and Server side Java Script how actually they run on both side with Example.

MCN Solutions,

1170

Un-Answered Questions { Java Related }

What are the methods to rectify ambiguities in the interfaces in JAVA?

1156

What is referential integrity and why is it important?

412

Why doesn’t a servlet include main()?

1107

How does queue work in java?

1033

What port does jdbc use?

1035

What happens when main () method is declared as private?

1192

What are synchronized blocks in java?

1286

What is a pojo class in hibernate?

493

What is the difference between merge and update method?

564

What is difference between hibernate and jpa?

481

What is stateless and stateful in java?

1079

Is string serializable in java?

1069

How to Sort Strings which are given in List and display in ascending order without using java api.

4521

What are spring jdbc templates used for?

509

What is difference between ejb 1.1 and ejb 2.0?

1065

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