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Java J2EE Interview Questions
Questions Answers Views Company eMail

What is command line argument

TCS,

714

What is the difference between delete and delete[]

Amazon,

586

What is the difference between the Reader/Writer class hierarchy and the InputStream/OutputStream class hierarchy?

 636

What is the purpose of the System class?

 583

Explain about oops concepts.

Aditi Placement Service,

638

Difference between string s= new string (); and string s = "abv";?

Cap Gemini,

744

Explain about complier design(phases)

Aditi Placement Service,

632

Explain about doubly linked list

Aditi Placement Service,

626

What is compiler and what its output.

Cognizant,

637

What is runtime locatable code?

Cognizant,

873

What restrictions are placed on method overriding?

 644

What is an array in java?

 644

Explain how can you debug the Java code?

BirlaSoft,

592

Explain the difference between an Interface and an Abstract class?

BirlaSoft,

638

Explain the purpose of garbage collection in Java?

BirlaSoft,

579

Un-Answered Questions { Java J2EE }

What is the use of arrays tostring () in java?

526

What is the use of servlet context?

537

How entity beans support container managed persistence?

1938

How can you check the status of an order?

510

How to insert date in database using hibernate?

210




What is orm database?

143

How do I connect my application to talk to a database?

492

Explain about the performance aspects of core java?

558

Explain implementation and how is it different from conversion?

595

When is update method called?

672

What can be injected as dependencies?

158

What is orm tool in hibernate?

164

What is the generic function?

531

What are the object and class classes used for?

567

What is a jit compiler?

640

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