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Q1171. Have you worked with JSF ?

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Q1172. Explain your experience working on UI ?

General

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Q1173. Why you chose programming as your career ?

General

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Q1174. What methodology and technology stack do you use ?

General

Ans. [Open Ended Answer]

Possible Answer - We are using Agile. We have daily standups, Bi weekly Backlog Grooming , Planning and Retrospective, We have a 2 week sprint and We use Jira for Scrum Management. We are using Java 8, Spring Boot, JSF , Apache Kafka , Soap as well as Rest Services.

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Q1175. Have you ever faced challenged with your current work ?

General

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Q1176. Do you have any problems with your team that you plan on changing ?

General

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Q1177. Are you involved in getting business requirements ?

General

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Q1178. What are you using AWS lambda for ?

Amazon Web Services (AWS)

Ans. We are using it for computation (EC2) , Storage (S3) and Database (RDS)

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Q1179. Are you involved in architecture and design ?

General

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Q1180. Which development methodology do you use ?

General

Ans. http://www.itinfo.am/eng/software-development-methodologies/

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Q1181. Which spring boot version are you working with ?

Spring Boot

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Q1182. Which of the Core Java functions / packages / concept do you believe have become irrelevant in today's market ?

Core Java

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Q1183. Which of the Java concepts do you believe have become less relevant with time ?

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Q1184. What is meant by Loosely coupled database design ?

Design

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Q1185. What is the "multiplicative congruence" method for determining where an element belongs in a hash table ?

Data Structure

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Q1186. Describe how a queue is usually created using sequential allocation.

Data Structure

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Q1187. If a stack is implemented using linkedlist, which end (head or tail) should represent the top ?

Data Structure

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Q1188. If a stack is implemented using an array, which end (head or tail) should represent the top ?

Data Structure

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Q1189. Does it make sense to send someone's social security number as path parm in a get request ?

Design

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Q1190. What are the different type of encoding you have used ?

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Q1191. Why do we need to initialize Spring context ?

Spring

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Q1192. Given a comma separated string that signifies the current position in 4 * 4 tic tac toes game, write a program that gives the result of the game - If anyone win and if yes then who and if the game is still open.

For example - x,0,x,x,x,0,0,0,0,x,0,x means that 00 index has x, 01 has 0 and so on with x(3,3) has last element x

Design

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Q1193. What was the most complex problem you faced in your career and how you fixed it ?

General

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Q1194. What is the difference between round and scale method of BigDecimal ?

Core Java

Ans. Round method would round it to integer places irrespective of if it's decimal places or not whereas scale would only round the decimal places.

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Q1195. Have you ever faced problems with rounding decimal places and what were the reasons ?

Core Java

Ans. 1. The problem with double (x*100)/100 doesn't return exact x but few fractions lesser than x and then if you are using floor rounding , it makes a big difference

2. Rounding only after getting a result vs rounding each outcome of 2 operand make difference

3. Usage of inappropriate Rounding mode and Rounding scale.

4. Results with double and BigDecimal

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Q1196. Math.round method rounds the decimal to an integer by stripping off the decimal places. How can we use the same method to keep only 2 decimal places

For example -

Math.round(12.3456) will return 12. What should we do to get 12.34 without using any other class or method.

Core Java

Ans. We can multiply the value by 100 and then use Math.round on that and then divide the result by 100

For example -

(Math.round(12.3456 * 100)) / 100

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Q1197. Find out the max and min number from given array

Core Java

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Q1198. What is the structure of your team ?

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Q1199. Can you explain the recent bug in your project and how you fixed it.

General

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Q1200. Given a linked list with 0 to n node references , Flaten the Linked list

Algorithm

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