Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

what is server side caching?

AIG,

2243

what is difference between validation.xml & validation rules.xml?

BirlaSoft,

8 27597

write a simple program inheritance?

Polaris,

2 7698

write a progam hashmap & hashtable?

IBM,

2 8704

what is webservices

Consultancy, Mind Tree,

5 10243

How to provide security in java

Infosys, TCS, Tech Mahindra,

2334

java can provide security ,how can provide?

Aspire, BNP Paribas, Genpact, IBM,

8 30006

what is servlet filter?

2 8805

what is request dispatcher and how does it work?

CTS,

2 11927

what is servlet enginee?

Covansys,

2232

how can i cal servlet from jsp page?how can i pass variablesfrom the jsp that servlet can access?

Verizon,

1 7889

what is sendredirect?

TCS,

7 10449

what is difference between requestprocessor and request dispatcher?

Tech Mahindra,

2 19777

what is difference between Action messages and Action errors?

Bio Imagene, TCS,

3 15179

what is the purpose of the final in the try-catch-final

7 9854

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Un-Answered Questions { Core Java }

What are the access modifiers in java?

1100

I don’t want my class to be inherited by any other class. What should I do?

1062

What are the restrictions imposed by a Security Manager on Applets?.

2654

Hi i am creating desktop application in that i want calling to mobile number. i have java telephone api (JTAPI) but i dont understand how it configure & use plese help me

1901

What is a functional interface?

1097

When is the finally clause of a try-catch-finally statement executed?

1144

Why do we override tostring method in java?

1027

What is 16 bits called?

988

What is identifier give example?

1109

Explain about transient variables in java?

1154

Can we override the overloaded method?

1202

What are white spaces in java?

1131

What is the replace tool?

1267

What is singleton class example?

1087

What do you understand by java?

1051

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