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Java Related Interview Questions
Questions Answers Views Company eMail

Explain OOPs concept.

Syntel, Visa,

653

Explain polymorphism citing an example.

Amazon,

592

What are exceptions

Futures First,

646

What is command line argument

TCS,

712

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?

 633

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,

621

What is compiler and what its output.

Cognizant,

636

What is runtime locatable code?

Cognizant,

870

What restrictions are placed on method overriding?

 644

What is an array in java?

 642

Un-Answered Questions { Java Related }

Explain url encoding in servlet?

582

What is swing package in java?

524

What are peerless components?

626

What is bidirectional and unidirectional?

161

What is the use of dao in spring?

143




What is pojo used for?

152

what do you mean by stream pipelining in java 8? Explain

537

what is collatration?

2745

Why do we need strings in java?

529

When was ejb developed?

574

Explain the four types of container that the j2ee specification defines

492

What value is a variable of the string type automatically initialized?

616

What do you mean by @qualifier in spring?

164

Is void a type?

587

mention the no of characters required for creating names of the mq objects?

474

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