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Java J2EE Interview Questions
Questions Answers Views Company eMail

How thread scheduler schedule the task?

 578

Explain constructors and types of constructors in java.

 635

Differentiate between stringbuffer and stringbuilder in java.

 546

What mechanism does java use for memory management?

 482

Why object class is super class for every class in java?

 559

Define an abstract class with reference to java.

 566

What are different exception types exceptions available in java ?

 469

Explain super keyword in java.

 572

What is difference between final and finally in java?

Cyient,

578

What are meta-annotations?

Cyient,

545

What is exception in java?

Cyient,

561

Write a java program to generate fibonacci series ?

Cyient,

559

What do you understand by overloading and overriding in java?

 535

Write code to implement bubble sort in java?

 549

What is difference between class and object in java?

 521

Un-Answered Questions { Java J2EE }

Lowest Common ancestor in a Binary Search Tree and Binary Tree.

548

What is the difference between JDBC 1.0 and JDBC 2.0?

2695

What is jms module?

443

What is the common usage of serialization? What exceptions occur during serialization?

595

What are the differences between resultset and rowset?

520




Can we create our own wrapper class in java?

535

Enlist and explain the main methods associated with the resource interface.

165

Which is better hibernate or jdbc?

260

Is hashset sorted in java?

656

What are the containers available in swing?

518

How is a domain template created?

504

Is nan false?

528

Why does java have different data types for integers and floating-point values?

525

Is there another way of dealing with the result set that could execute faster?

513

Where is the singleton class used?

574

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