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Core Java Interview Questions
Questions Answers Views Company eMail

whays is mean by inner class?

HCL, IBM, TCS,

4 5748

class A{ class B{ } } in which name u save the file,its the program compile?

HCL,

6 5720

class A { class B { psvm(String args[]) { } } } if the prg saved in A.java whats the o/p?

HCL, TCS,

7 9272

wahts is mean by thread?

HCL, TCS,

22 20181

whats the diff between jsp and servlets?

HCL, TCS,

9 9377

Hi Friends.. can any one provide the real time example for methodoverloading and methodoverriding .........

Honeywell,

2 5544

os is developed in c no java is more secured then c na why dont the os developed is developed using java

1 3029

why java does not support mulitple inheritance directly?

TCS,

3 4206

what is the replacement for GOTO in java?

CTS,

2 10737

how can we synchronize Hash map?

CTS,

3 9378

Can you explain the difference b/n abtract and interface with a good example,?In what cases we have use abtract and what case interface?

Satyam,

4 5838

How to deprecate a method? Show it with proper example. Plz give the answer of this.Thanx in advance. mail me: tanzeem.akhtar@gmail.com

2 2780

What is compile time polymorphism?

CTS, Elementus Technologies, Oracle,

20 29434

What is run time polymorphism?

eClerx, Elementus Technologies,

6 14604

why is multiple inheritance not allowed in java?

Elementus Technologies, Huawei, Infosys,

7 11840


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Un-Answered Questions { Core Java }

What is meant by class loader? How many types are there?

247


What are variable names?

178


Can a class have a static inner class?

249


Can you create an object of an abstract class?

190


how to deploy apache tomcat server to weblogic server in java

1264






What are the different ways of implementing thread? Which one is more advantageous?

210


What are the 8 data types in java?

182


How do you create a bulleted list?

190


Is an object null?

176


What is the difference between variable & constant?

202


What is the transient keyword?

232


What is array length in java?

173


What is variable and example?

189


What is the final access modifier in java?

271


Explain the private field modifier?

201