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Core Java Interview Questions
Questions Answers Views Company eMail

java program with complete 4 oops concepts implemented example

Infosys, NIIT,

2717

what is platform independence in java?

CSC, HSBC,

5 6785

if num=687; U have to get num=6+8+7;

CMC,

4 5035

there are some duplicate values in ArrayList, how U'll get that array with out duplicate?

CMC,

4 7595

in a console we r giving java if r pressing enter where it'll goes

CSC,

2 3977

Can we extend the String class?

Truworth,

3 24159

we r taking 0 1 in deployment descripter for loading servlets like serv1 N serv2? so 'll it take serv1 or serv2

CSC,

2 6577

what are the different non-access specifiers in java?

 5 10146

java Technical questions asked by JPMC

JPMorgan Chase,

4559

what are variables in java

Wipro,

7 7208

What is multithreading ???? How to stop multithrading in java????

Cognizant,

1 4545

Suppose there is an array list [10,5,20,19,15,24].Print them in ascending & descending order in collection framework concept ???

Cognizant,

2 6039

What will happen if we cannot mention "finally" in Java Program ???

PWC,

3 5779

What is default specifier ??? Use of default specifier ???

Cognizant, Syntel,

4 6685

write a program to create an arraylist with string(add,remove) operation.and value should be enter through keyboard.

Axcend,

1624

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Un-Answered Questions { Core Java }

Where can i get Latest SUN Certification Dumps and what are the Sun Certification Codes that are available, Im new to JAVA, so please gimme info as i need to write J2EE - Core Java Certification

1354

What is the += operator called?

568

Can we declare a static variable inside a method?

515

take an array with -ve and +ve value both.find out the nearest value of 0(zero).if two values are same like(-2 and +2)then extract +2 is nearest of 0(zero).

1520

What is object in java?

517




What is variable argument in java?

545

What about member inner classes?

608

2) Suppose there are 5 directories having lot of files (say txt files) in each directory. 2 things :- 2.1) You want to search for filenames which have a particular pattern. 2.2) Out of these filtered files you want to search for a particular keyword or a search string. How can you achieve this?

1814

How is treeset implemented in java?

475

Java openings 3 - 5 years, Lnt Infotech. requirements - core java, J2ee, struts, hibernate Interview Date:- 19 March 2011 Time:- 9:00 AM to 12:00 Pm Interview Location - L & T Infotech, Manapakkam, Chennai Refererral PS NO:- 291649 (Please mention this when u fill the form only then u will be considered for interview) Documents Required:- Latest Resume, Photograph and last 3 payslips Mail me on vasan2211@gmail.com once u appear for interview

2841

When do I need to use reflection feature in java?

611

Convert Binary tree to linked list.

574

Are variables stored in ram?

541

What is the difference between multiple processes and multiple threads?

557

how to create multithreaded program? Explain different ways of using thread? When a thread is created and started, what is its initial state? Or extending thread class or implementing runnable interface. Which is better? : Java thread

578

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