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Showing posts with label JAVA Interview Questions. Show all posts
Showing posts with label JAVA Interview Questions. Show all posts

Saturday, March 12, 2011

HCL Technologies Selection Process - Campus Placement - Fresher's

 

HCL Selection Process - Campus Placement

One of my friend gone through the selection process of HCL technologies in campus placement. It is very easy break interview during campus placement.

This is normal process followed by hcl tech:

Round 1: Written objective test

The written test consists of 60 questions which are divided into 4 sections .The total duration of the test is 90 minutes. There is negative marking .

include some c questions, oops concepts, OS, data structures, networking, computer organization etc.

Round 2: Technical face to face round:

This is pure technical round and they are going to ask most of the basic c questions or java questions.

Round 3: Technical Round (optional):

After round 2 you can again face another round of technical interview if required .

Round 4: HR Round:

This Round have basic HR questions and you will be offered a offer letter if successful.

Friday, January 21, 2011

What is Difference Between Layer Architecture and Tier Architecture?

 

Tier is physical separation of tiers. it basically specify different projects of .dll or .exe.

Layers are logical separation and divide the project logically. There is only one project and have logical division of files or folders.

Application Layer : basically soft
Application Tier : basically hard

Layer:
1)presentation layer
2)business layer
3)data access layer

Tiers:
1)Presentation tier (web server)
2)Application tier (application server)
3)data server tier (database server)

Saturday, July 10, 2010

SIEMENS Interview Questions and WRITTEN TEST 2010 | Java

 

These questions are asked during the siemens walk-in held in Gurgaon. Here is some questions and their pattern asked in the interview and written test.

No Negative Marking

1- 20 Questions of Reasoning : The time to complete is 25 minutes Most of the Questions are from Series,Relation,Distance.

2- Java Questions : It incorporates three blocks

(a)- 20 java Questions(Compulsory).

(b)- 10 questions from Swing(It is Optional) .

(c)- 5 questions from fundamentals(compulsory).

This block have to complete within 30 minutes.

Java Questions:-The java Questions based on the concept of classes,Interface,Exception Object States,Threads concepts. Example:

1- How can we save object States?

ans:by Serialization.

2-program on class inheritance: what is the output of this program.

3- program on Interface.

Swing Question:- There are 10 swing questions which are optional.

Fundamental Question:- 5 Questions:

1- which layer of OSI is responsible for transportation of data on the network?

2- operating System Question.

3 and 4:- the questions are from DBMS.

5:- In which data structure we can add data from the beginning and at end not from middle?.

Thursday, May 20, 2010

HCL Technologies Written Test for JAVA 2010

 

One of my friend gone through the HCL Technologies, Noida written test for JAVA Technology. He remembered some of the questions from test and i am posting here to help the job seekers.

If any one else gone though the test and want to add some more questions, Please add through comments.

My friend forgot some of questions , so i just given a hint.

 

Question: what will be the output of the following program?

int i;
for(x=0;x<14;x++)
{
if(x<10)
{
system.out.println("value is: " + (i+x));
}
}

a. i is not initialized

b. if statement is false

c. both a and b is true

d. none  of these

Ans. Find out.

Question 2:

int i = 1;

system.out.println("value is: " + i+2 + “3”);

 

Answer: 33

Question 3: What is difference between assignment and initialization?

Answer: in assignment we assign the value to initialize variable while in  initialization we allocate the memory.

Question 4: What is difference between argument and parameters?

Answer:  parameters are in calling function and arguments are in called function.

 

Question 5: What is use of finally keyword in exception handling?

Answer: finally block will always execute.

 

Question 6: what is use of garbage collector?

Answer: to release the memory after execution.

 

Question 7: A code was given and options were:

a. run time error.

b. compile time error

c. both a and b

d. none of these

 

Question 8: What is interface?

Answer: contains the prototype of functions.

 

Question 9: One ques on abstract class , can abstract class be the sub class of any concrete class?

Answer: find out.

 

Question 10: Difference between abstract class and interface?

Answer: interface only contains the prototype of function and abstract class can have abstract methods and full methods.

 

Question 11: difference between string and array?

Answer: string is internally char array while array an have int , float char etc.

 

Question 12: A question on thread?

Question 13: A question on synchronization?

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