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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 5075

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 13285

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 5290

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 45454

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

3 12180

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

6 11428

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

2 6299

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?

2285

JVM responsibility?

6 16148

explain Anonynous inner class?

6 9580

Differences between jdk 1.4 and 1.5

6 17601

what is check p object in java

1 4397

what is the replacement method of stop() of thread

8 12524

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 5888

What code optimizations techniques you follow in general practice?

2 7002

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TCS Core Java Interview Questions

TCS Core Java Interview Questions (175)

Un-Answered Questions

What is chaining in node?

522

The hydrogen envelope that surrounds the comets nucleus derives its hydrogen most directly from?

208

What is difference struts and spring?

438

How do you autofit cell size to contents?

657

Why we use lazy in swift?

827

What are the application of void data type in c?

1191

When I click on a link in web page.Link should open in new window.can anyone please let me know the script for this ---Koti

2924

When should you call dealloc method? Is it possible to implement dealloc in arc?

current rating of a 3 phase dg set is 20 amp, but what will be the per phase current for single phase supply?

2230

What are Change Pointers ?

1881

Where do I put css?

658

When would you use a database?

911

How long will windows 8.1 be supported?

854

Is windows 8 still supported?

769

How do you check if you have maven installed?

174