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,

1073

What will happen when using pass by reference in java?

HCL,

985

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

Infosys,

972

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,

1051

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

Flextronics, Hexaware,

994

What is a default constructor and also define copy contrucyor?

Global Logic,

1098

Why use string handling in Java?

HCL,

1026

Explain heap sort?

Flextronics,

1103

What are recursive functions? Give some examples?

Axtria, ITC Indian Tobacco Company,

1191

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

Flextronics, Hexaware,

1053

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

Flextronics, Hexaware,

1044

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

Ciena,

1080

What is a Transient Object?

InfoAxon Technologies,

1079

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

HCL,

1072

Un-Answered Questions { Java Related }

What is mean by collections in java?

1167

What are beans in spring?

418

In how many formats we can deploy an application in wls??

962

Difference between session and sessionfactory in hibernate?

430

Why servlet is used as controller ? Not JSP? I want complete explation?

1127

In how many ways you can perform administration?

943

What is orphan removal in hibernate?

331

What is a cup of java?

1010

What are the application of stack?

913

Explain the difference between throw and throws in java?

994

What is the generic function?

982

How do you switch between relational databases without code changes?

389

What are ways to inject dependency in spring?

485

What is multithreading and its advantages?

1067

How properties of a class are mapped to the columns of a database table in hibernate?

534

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