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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 4952

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 13141

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 5184

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 45172

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

3 12022

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

6 11167

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

2 6176

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?

2238

JVM responsibility?

6 15864

explain Anonynous inner class?

6 9301

Differences between jdk 1.4 and 1.5

6 17332

what is check p object in java

1 4230

what is the replacement method of stop() of thread

8 12171

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 5715

What code optimizations techniques you follow in general practice?

2 6859

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TCS Core Java Interview Questions

TCS Core Java Interview Questions (175)

Un-Answered Questions

How do I make sure all text is visible in excel?

548

HI all of u dear freind i dont know abot u but instead of i want to requeste to all , if u have any job in ur mind than pls contact me or forword me . i hv complet my B.A. , CCNA ,MCSA, my contact no 09958737018 and id is mak_alam000@rediffmail.com , ur freind maksud alam

1951

How DC earth leakage currents can be reduced ?

1868

What is mvc laravel?

682

How can traffic be attracted for a company's website?

1065

Why do we need ado.net?

907

What are the basic commands in Apache Sqoop and its uses?

What's the use of servletcontext?

1095

How do I enable activex on my mac?

724

What is stateless session bean?

993

What is codeigniter framework?

536

Difference between display none and visibility hidden ?

834

Do you have to re-create mappings each time?

858

What are the inputs for an infoset?

1067

What is the dos command to copy a file?

510