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Interview Questions and Answers - Order By Newest

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 Q3301. How Object-Oriented Programming is implemented in JavaScript? How they differ from other languages?Javascript
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 Q3302. Explain interfaces in Typescript. How is it different compared to other languages ?TypeScript
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 Q3303. What is the difference between method and function in Typescript ?TypeScript
Ans. Method belongs to a class whereas function isn't. So the only difference is the scope in which they are defined.

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 Q3304. What is the difference between field and property in Typescript ?TypeScript
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 Q3305. How is cohesion achieved in JavaScript ?JavaScript
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 Q3306. How do we initialize objects in TypeScript ?TypeScript
Ans. Using new operator

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 Q3307. How do we specify constructors in TypeScript ? How is it different from other languages ?TypeScript
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 Q3308. What is the role of "?" in TypeScript constructors ?TypeScript
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   Like         Discuss         Correct / Improve     Typescript constructor

 Q3309. How can we make the constructor variables optional in Typescript ?TypeScript
Ans. Using "?" with the variables

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 Q3310. How to debug multi server deployed application ?Debugging
Ans. Choose the server from the list of defined servers under J2EE Server.
Choose the project to debug.
Click Apply to save changes.
Click Debug to start the server and run the application.

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   Like         Discuss         Correct / Improve     debugging  debugging multi server application     Asked in 1 Companies

 Q3311. What new features of TypeScript do you like ?TypeScript
Ans. TypeScript is used to Apply types to your JavaScript code, And it shows the error in IDE while writing code and make us to fix it to avoid any bug or issue before build and deployment, for example: you put //@ts-code at top of your js file, and it will show errors in file when u make common code mistakes.

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 Q3312. What are the advantages of using TypeScript over Javascript ?TypeScript
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 Q3313. Do you know typescript ?TypeScript
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 Q3314. write an angular Typescript program to add item into an arrayTypeScript
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 Q3315. What are some downsides to static typing in TypeScript?TypeScript
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 Q3316. What do you think of TypeScript?TypeScript
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 Q3317. what are the issues you face when connecting to AWS for development ?Amazon Web Services (AWS)
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 Q3318. How to manage transactions in distributed applications?
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 Q3319. What is the different between collection and Stream Api ?Core Java
Ans. data under collection are actually stored in memory so that they can be retrieved when needed whereas data in streams are not stored and hence we need to construct it again when needed.

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   Like         Discuss         Correct / Improve     collection classes  stream api  collection vs stream     Asked in 1 Companies

 Q3320. Have you ever done audit logging using log4j ?Log4j
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 Q3321. What are the benefits of Java over other Programming Languages ?Core Java
Ans. 1. JVM that makes it platform independent and facilitates portability.
2. Garbage Collector that protects from Memory Leaks.
3. Only usage of references and not pointer arithmetic and hence protects the application from memory issues like dangling pointers, memory leaks etc.
4. Support for OOPs that makes application development and maintenance easy.
5. Facilitates library development through use of interface / abstract classes.
6. Facilitates creation of scalable applications.
7. Huge repository of libraries and pool of people with java skill.

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   Like         Discuss         Correct / Improve     benefits of java  advantages of java      basic        frequent

 Q3322. Design pattern used in struts.Struts
Ans. Struts controller uses the Command design pattern and the action classes use the Adapter design pattern. The process() method of the RequestProcessor uses the Template method design pattern.

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 Q3323. What will you do if your build fails and you need to fix it in an hour ?Build Management
 This question was recently asked at 'Workday'.This question is still unanswered. Can you please provide an answer.


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 Q3324. What is the purpose of Spring inheritance ?Spring
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 Q3325. What are the building blocks of Angular Apps ?Angular
Ans. modules, components, templates, metadata, data binding, directives, services, and dependency injection

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 Q3326. What are the things that an angular component holds ?Angular
Ans. Data , HTML and Logic

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 Q3327. What is the need of having multiple modules in angular ?Angular
Ans. It makes the application more modular and easy to manage.

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 Q3328. How to add a component in Angular ?Angular
Ans. 1. Create a component
2. Register it with a module
3. Add an element in HTML markup

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 Q3329. Is it required to tie a component to a module ?Angular
Ans. Yes, We need to have a component tied to a module for it to work. If we don't want to create a new module , we can just tie it to default "app.module"

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 Q3330. What is the selector and template in a component ?Angular
Ans. Selector specifies the name which is to be used to refer to the component whereas template specifies the html that needs to be rendered.

So selector specifies the reference name whereas template specifies the template or html to be rendered.

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