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TCS Core Java Interview Questions

Questions Answers Views Company eMail

I need to know about complete topic in java's collections i with an examples

1 5166

What will happen inside init() in servlet. my interviewer asked servlet lifecycle. i said "once servlet is loaded in to memory init() will be called which performs servlet initialization " . Again interview asked what values will be initialized . what is difference between init() and init(ServletConfig config).

2 13364

I need some details about an employee. i have only the employee id in my presentation layer(JSP).I entered that ID and click "Show Details" Button. Question is how the JSP pass that id to Controller layer and DAO and what mechanism we are using to retrive data from DB and how the data passed to JSP as a Output. Please explain in detail.

1 5358

My application URL : http://localhost:8080/Application/Login.jsp. When a user enter this url in IE then, how it get Login.JSP Page exactly? what are the processes will happen from when we submit the URL to get Login.jsp?

3 45625

What is Three tier architecture. Can anyone explain with a Ordinary web application Project? (JSP,Servlets,JAVA,DAO) ?

3 12268

We can write any Java Logics in our JSP. Then why we are using servlets(Controller Layer) to interact with the DAO ?

6 11616

what is the use of clone method? why user cant overwrite in sub class without its proper defination.

2 6420

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?

2327

JVM responsibility?

6 16315

explain Anonynous inner class?

6 9730

Differences between jdk 1.4 and 1.5

6 17774

what is check p object in java

1 4496

what is the replacement method of stop() of thread

8 12706

what is the output??????? public class multireturn { public(int assign x ( int x) { if(4==x) { return 7; } else if (7=x+3) { return 6; } return 5; } }

3 5994

What code optimizations techniques you follow in general practice?

2 7094

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TCS Core Java Interview Questions

TCS Core Java Interview Questions (175)

Un-Answered Questions

What do you mean by 'normalization'?

1121

What is vlookup function?

712

What is the dynamic sql in oracle?

1121

what is the difference between sql and t-sql? : Transact sql

1131

How to measure 4-20 mA in the live Ckt. r when the equipment is working ( example VFD, PLC).& 4-20mA used in maximum all ckts.

2045

What is node ecosystem?

948

What is cts and what do you know about it? : abap hr

1277

What is the function of ‘GIT PUSH’ in GIT?

What are run-time errors?

1174

What do you mean by financial accounting?

1041

What is escape data in php?

988

while performing the standard cost estimate will it be generated accounting entries?

1749

What is assign property in objective c?

What the input filter settings that are imposed on a node in drupal?

283

Faults found should be originally documented by whom?

1445