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

What is nested loop? What is dangling else condition in it?

Ericsson,

1090

What will happen when using pass by reference in java?

HCL,

992

What is a concrete classes? Is Java object class is concrete class?

Infosys,

984

Given a singly linked list, find the middle of the list in a single traversal without using temporary variable.

Fidelity,

1052

What is Gang of four design patterns

Infosys,

1054

Can a constructor be private and how are this() and super() method used with constructor?

Flextronics, Hexaware,

1005

What is a default constructor and also define copy contrucyor?

Global Logic,

1111

Why use string handling in Java?

HCL,

1030

Explain heap sort?

Flextronics,

1123

What are recursive functions? Give some examples?

Axtria, ITC Indian Tobacco Company,

1193

How do you access command-line arguments within the code?

Flextronics, Hexaware,

1060

What is the difference between static and global variables and also define what are volatile variables?

Flextronics, Hexaware,

1051

What is a Hash Table? What are the advantages of using a hash table?

Ciena,

1088

What is a Transient Object?

InfoAxon Technologies,

1085

Why declare Main() method as a static in java ?

HCL,

1079

Un-Answered Questions { Java Related }

What is shared primary key?

590

Can we create an object of private class?

971

Explain abstract class in java?

1068

what are the gbx,gdb and other tools in linux for core dump,and how to configure stdout,stderr..what is the difference between stdout ,stderr and coredump. how to create core dump and view that one? please can anybody explain me?

4720

What is jpanel in java swing with example?

985

When object is created and destroyed?

1105

Why chararray() is preferred over string to store the password?

1028

Which is better nhibernate or entity framework?

382

What is annotating a text?

455

Can an ejb send asynchronous notifications to its clients?

980

What are the basics of core java?

1019

What is the use of @requestparam annotation in spring?

395

How do I run a java project?

918

Why is hibernate preferred over jdbc?

414

How are filters?

1044

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