Interview Questions and Answers for 'T' | Search Interview Question

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Q181. What is the programming language used to build Jenkins?

Ans. There is a diverse set of programming languages used in Jenkins, including but not limited to: Java, JavaScript, Groovy, Golang, Ruby, Shell scripts

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Q182. Difference between merge and update in hibernate

Hibernate

^{This question was recently asked at 'Nucleus Software'.This question is still unanswered. Can you please provide an answer.}

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Q183. Class and Object methods.

Core Java

Ans. class:- A class describe the contents of an object, an it describe the detail of data field called instance variable and defines the operations called method.

Object:-An object is an element of a class. Object have the behaviors of their class.

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Q184. What are the types of clouds in cloud computing ?

Cloud Computing

Ans. Private, Public, Hybrid, Community

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Q185. How can an XSS attack harm a system ?

Security

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Q186. What are the ways we can get over XSS or cross site scripting vulnerability ?

Security

Ans. The counter measures of XSS are input validation and implementing a CSP (Content Security Policy).

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Q187. Explain Spring mvc.

Spring

^{This question was recently asked at 'Esoft Services'.This question is still unanswered. Can you please provide an answer.}

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Q188. What is Queue ?

Data Structure

^{This question was recently asked at 'Unisys'.This question is still unanswered. Can you please provide an answer.}

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Q189. If you are given a stack trace , what would you look for ?

^{This question was recently asked at 'Mcleod Software'.This question is still unanswered. Can you please provide an answer.}

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Q190. If you see a terrible code, Would you rewrite it. If yes , Why ?

^{This question was recently asked at 'McLead Software'.This question is still unanswered. Can you please provide an answer.}

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Q191. What would you do if your rest services aren't responding fast enough ?

Rest

^{This question was recently asked at 'Symantec,Barclays'.This question is still unanswered. Can you please provide an answer.}

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Q192. What is life cycle of cloud deployment process ?

Cloud Computing

^{This question was recently asked at 'Barclays'.This question is still unanswered. Can you please provide an answer.}

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Q193. What is JUnitRunner ?

JUnit

Ans. A JUnit Runner is a class that extends JUnit’s abstract Runner class and it is responsible for running JUnit tests.

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Q194. What are FPGA's ?

^{This question was recently asked at 'Intel'.This question is still unanswered. Can you please provide an answer.}

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Q195. Write an algorithm to shift a linked list n positions.

Data Structure

^{This question was recently asked at 'Amdocs'.This question is still unanswered. Can you please provide an answer.}

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Q196. What is the time complexity and space complexity of reversing a Linked List ?

Data Structure

Ans. o(n) for time complexity
o(1) for space complexity

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Q197. How does hashmap works ?

Core Java

^{This question was recently asked at 'Fujitsu'.This question is still unanswered. Can you please provide an answer.}

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Q198. Can we override behavior of a collection class ? How ?

Core Java

Ans. Yes. We can do that.

1. We can create own own implementation class extending the collection class and then override the behavior method.

2. We can override the behavior at the time of instantiation of class as following

List<MyType> list = new ArrayList<MyType>() {
public boolean add(MyType mt) {
super.add(mt);
Collections.sort(list, comparator);
return true;
}
};

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Q199. Explain Rest architecture

Rest

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Q200. What is Spring Security in Detail ?

^{This question was recently asked at '3i Infotech'.This question is still unanswered. Can you please provide an answer.}

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Q201. Explain unix commands - cat and pwd.

Unix

Ans. by using Cat command we can open and see the file content and as well as redirect the file content to another files

pwd command shows us current working path of the server

cat filename | tail -100

cat file name > filname1

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Q202. What is the logic behind the shuffle in Music player ?

or

Explain Music player shuffle algorithm.

Algorithm

^{This question was recently asked at 'ASG Sweden'.This question is still unanswered. Can you please provide an answer.}

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Q203. How many objects are created when we define a bean with two different name in spring?

Spring

Ans. we wont create the objects because of each and every bean will be an object

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Q204. what annotation do in background in hibernate ?

Hibernate

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Q205. What is Message Queue or MQ ?

Data Structure

Ans. Message queues implement an asynchronous communication pattern between two or more processes/threads whereby the sending and receiving party do not need to interact with the message queue at the same time. Messages placed onto the queue are stored until the recipient retrieves them. Message queues have implicit or explicit limits on the size of data that may be transmitted in a single message and the number of messages that may remain outstanding on the queue.

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Q206. How to track immediate parent of the child in selenium using xpath?

Selenium

Ans. Using ./

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Q207. Why Spring boot is preferred over Spring MVC ?

Ans. Spring Boot aims to shorten the code length and provide you with the easiest way to develop a web application. It helps create a stand-alone application with less or almost zero-configuration.

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Q208. Can you share your experience with encoding and encryption ?

Encoding

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Q209. How do you ftp files to a different server ? Do you use scp or mput etc.

Unix

Ans. I use both mput as well as scp. mput usually with sftp

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Q210. How would you handle clustering on multiple servers?

Server

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