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 difference between add() and addelement() in vector?

1550

Describe how to implement singleton design pattern in struts.

1024

What is a treeset class?

1028

Can you explain the meaning of aggregation and composition

1037

What are the actions that can occur when a thread enters blocked state?

1073

What is garbage collector?

1103

Can we force the garbage collection to run?

976

why doesn't java run on all platforms?

1046

Can you tell me range of byte?

1015

Explain the use of javap tool.

1154

Difference between arraylist and vector.

1144

What is the difference between multiple processes and multiple threads?

1232

Explain the difference between abstraction and encapsulation.

996

What do you understand by synchronization?

1066

Define locale.

1049

Un-Answered Questions { Java Related }

What is the difference between singleton and prototype scope in spring?

487

Why is sessionfactory immutable?

372

how to create multithreaded program? Explain different ways of using thread? When a thread is created and started, what is its initial state? : Java thread

1033

What is the final access modifier in java?

1098

What is the use of :: in java?

1035

How to import ejb project in eclipse?

1079

What are the types of servlet?

1330

What are the life cycle methods of a servlet?

1071

Difference between load and get?

381

How can we call stored procedure in hibernate using named query?

375

What is the difference between jpql and hql?

377

Is set sorted in java?

952

Briefly tell about the jdbc architecture.

1014

What are the differences between java’s old java date api and java 8’s date and time api?

1041

What is the difference between interface & abstract class?

1062

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