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 Q2191. Difference between group and cogroup?Apache Hadoop
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 Q2192. What is the use of final String when Strings are immutable ?Core Java
 This question was recently asked at 'Cyient'.This question is still unanswered. Can you please provide an answer.


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   Like         Discuss         Correct / Improve     string     Asked in 1 Companies

 Q2193. What is Entity in hibernate?Hibernate
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 Q2194. Can you explain spring boot project Architecture?Spring Boot
Ans. The architecture of a Spring Boot project can be divided into three layers:

Presentation Layer:
This layer is responsible for handling user requests and generating responses. It includes the user interface, which can be a web UI or a RESTful API. Spring Boot provides various options to develop web applications, such as Spring MVC, Thymeleaf, and others.

Service Layer:
This layer contains the business logic of the application. It is responsible for processing the user requests and generating responses. The Service Layer interacts with the Data Access Layer to fetch and store data.

Data Access Layer:
This layer is responsible for interacting with the database or any other external data source. It includes the database model, repositories, and data access objects. Spring Boot provides support for various data access technologies, such as JPA, JDBC, and Spring Data JPA.

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 Q2195. Without configure ContextLoaderListenerAnd DispatcherServlet how to run spring MVCApplication?Spring
 This question was recently asked at 'Naresh i Technologies'.This question is still unanswered. Can you please provide an answer.


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 Q2196. Is it possible to configure more than one config file in struts ?Struts
Ans. Yes

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 Q2197. Difference between Let and Var ?TypeScript
Ans. Let creates a variable with a local scope whereas var creates it with a global scope.

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 Q2198. What are the different data types in typescript ?TypeScript
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 Q2199. Difference between interface and type ?TypeScript
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 Q2200. Difference between interface and class in typescript ?TypeScript
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 Q2201. Why type has been deprecated and replaced by interfaces ?TypeScript
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 Q2202. Can we set specific return type of a method in typescript ?TypeScript
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 Q2203. What is the use of map method in typescript ?TypeScript
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 Q2204. What is type script ? What are the advantages of typescript ? How is it different than javascript ?TypeScript
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   Like         Discuss         Correct / Improve     Typescript vs Javascript

 Q2205. What are the features of TypeScript ?TypeScript
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 Q2206. How to compile typescript ?TypeScript
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 Q2207. Can we compile multiple type script files together ? How ?TypeScript
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 Q2208. Difference between git init and git clone ?Git
Ans. "git init" creates an empty repository or can make an existing directory a git repository while "git clone" first internally calls "git init" to create an empty git repository and then copy the data from the specified remote repository.

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   Like         Discuss         Correct / Improve     git init   git clone   git init vs git clone      basic

 Q2209. What is the purpose of rebasing the branchGit
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   Like         Discuss         Correct / Improve     rebasing branch in git  git  rebasing  rebase a branch

 Q2210. Define CollectionCore Java
 This question was recently asked at 'Amber Road'.This question is still unanswered. Can you please provide an answer.


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 Q2211. Difference between git fetch and git pull ?Git
Ans. git pull does a git fetch followed by a git merge. git fetch only change the remote tracking but never attempts to make changes to the local.

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   Like         Discuss         Correct / Improve     git fetch vs git pull  git fetch  git pull     Asked in 1 Companies

 Q2212. What is reentrant lock ?
Ans. A reentrant lock is a mutual exclusion mechanism that allows threads to reenter into a lock on a resource (multiple times) without a deadlock situation.

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 Q2213. Can making the S3 bucket public ,makes all objects / files inside as public too ?Amazon Web Services (AWS)
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   Like         Discuss         Correct / Improve     aws s3  aws storage  amazon cloud storage  amazon s3

 Q2214. How can we make an S3 file public through Java program ?Amazon Web Services (AWS)
Ans. We can get the object and then can set CannedAcl property as "PublicRead"

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   Like         Discuss         Correct / Improve     aws s3  aws storage  amazon cloud storage  amazon s3

 Q2215. How can we schedule Lambda function to run daily ?Amazon Web Services (AWS)
Ans. We can schedule that through CloudWatch.

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   Like         Discuss         Correct / Improve     lambda function  aws lambda  aws serverless computing  amazon cloud serverless computing  amazon lambda function  aws cloudwatch  amazon cloudwatch

 Q2216. Have you ever changed IAM policy ?Amazon Web Services (AWS)
Ans. Yes I did it for an execution role of a Lambda function to give it write access on S3 bucket.

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   Like         Discuss         Correct / Improve     aws security  aws iam  amazon iam

 Q2217. How you can check Object is created or not in case of Singleton using Object class method ?Design
Ans. Reflections-- setAccesible--avoid using enumns

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 Q2218. Does Hashtable in Java use stack operation ?Core Java
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 Q2219. What is the difference between bubble sort using Java and C++ ?Programming Language
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   Like         Discuss         Correct / Improve     C++ vs Java

 Q2220. What is the difference between try-catch and @ExceptionHandler in Java/Spring Boot?Spring Boot
Ans. ExceptionHandler is Used to handle at Method level

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   Like         Discuss         Correct / Improve     @ExceptionHandler

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