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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 4961

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 13157

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 5191

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 45181

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

3 12033

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

6 11186

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

2 6182

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?

2241

JVM responsibility?

6 15887

explain Anonynous inner class?

6 9318

Differences between jdk 1.4 and 1.5

6 17348

what is check p object in java

1 4237

what is the replacement method of stop() of thread

8 12190

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 5727

What code optimizations techniques you follow in general practice?

2 6872

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TCS Core Java Interview Questions

TCS Core Java Interview Questions (175)

Un-Answered Questions

Is a fact objective?

What is a 404 error?

803

How do you stop excel from opening on startup?

585

From where do we design the queries needed for reports?

794

How to create test case scenario?

2548

Why don’t we need to configure jsp standard tags in web.xml?

832

Why structure is used in c?

1121

Is angularjs used for backend?

758

What are the assumptions on which CAPM is based?

1031

Giving fire call access and extending fire call access by using VIRSA’s VFAT tool? can u brief give the explanation

4215

Why use -48v power to BTS

2046

Difference between different strategy groups.

1485

How to change the content of your app in order to change the views displayed in the corresponding window?

723

Does python have a built in function for string natural sort?

780

Is hadoop a etl tool?

883