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

Explain OOPs concept.

Syntel, Visa,

1094

Explain polymorphism citing an example.

Amazon,

1053

What are exceptions

Futures First,

1105

What is command line argument

TCS,

1202

What is the difference between delete and delete[]

Amazon,

3 1561

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

1141

What is the purpose of the System class?

1006

Explain about oops concepts.

Aditi Placement Service,

1129

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

Cap Gemini,

1223

Explain about complier design(phases)

Aditi Placement Service,

1088

Explain about doubly linked list

Aditi Placement Service,

1038

What is compiler and what its output.

Cognizant,

1154

What is runtime locatable code?

Cognizant,

1441

What restrictions are placed on method overriding?

1189

What is an array in java?

1209

Un-Answered Questions { Java Related }

What are the features/ characteristics of spring?

416

Topic- looping,function overloading,nesting ,polymorphism. Aim - to write a function with a name buzz-buds,that will check whether the given numbers are buddies or not on the basis of no. of parameters passed during function calling.

2065

How do you classify Dialog Box?

1127

What is @restcontroller?

444

Distance between two points in java

What is jboss?

1042

What's the difference between authentication and authorization? : java security

1010

Explain the difference between jakarta struts and apache struts?

950

Define network programming?

1117

Can a static method be final?

1064

What is multi level inheritance in java?

1036

What are the advantages of inversion of control?

431

How can we refresh automatically when new data is entered into the database?

1107

What types of index data structures can you have in java?

1239

How to make a immutable class in hibernate?

450

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