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Interview Questions and Answers - Order By Newest

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 Q2011. Explain your current project architecture.Architecture
 This question was recently asked at 'Oracle financial services'.This question is still unanswered. Can you please provide an answer.


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   Like         Discuss         Correct / Improve     project architecture     Asked in 1 Companies

 Q2012. Explain Servlet configJava EE
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   Like         Discuss         Correct / Improve     servlet  servlet config     Asked in 1 Companies

 Q2013. What is the difference between field and property in Typescript ?TypeScript
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   Like         Discuss         Correct / Improve     field vs property in typescript

 Q2014. 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

 Q2015. What are the advantages of using TypeScript over Javascript ?TypeScript
 This question was recently asked at 'Quicken Loans'.This question is still unanswered. Can you please provide an answer.


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 Q2016. What do you think of TypeScript?TypeScript
 This question was recently asked at 'Intelliware Development'.This question is still unanswered. Can you please provide an answer.


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 Q2017. How to manage transactions in distributed applications?
 This question was recently asked at 'OLMeRO Italy'.This question is still unanswered. Can you please provide an answer.


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 Q2018. 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

 Q2019. Have you ever done audit logging using log4j ?Log4j
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 Q2020. 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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 Q2021. 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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 Q2022. What are the things that an angular component holds ?Angular
Ans. Data , HTML and Logic

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 Q2023. 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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 Q2024. 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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 Q2025. 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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 Q2026. 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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 Q2027. What are the different ways we can specify the selector for the component ?Angular
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 Q2028. How dependency injection in angular helps with loose coupling in angular ?Angular
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   Like         Discuss         Correct / Improve     Dependency injection

 Q2029. What are the spec.ts files in angular ?Angular
Ans. The spec files are unit tests for your source files. The convention for Angular applications is to have a .spec.ts file for each .ts file. They are run using the Jasmine javascript test framework through the Karma test runner

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 Q2030. What are abservables in angular ?Angular
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 Q2031. Can we apply strict mode to a function ?Angular
Ans. Yes

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 Q2032. What is the main difference between unique key and primary key ?Database
Ans. Primary key will not accept NULL values whereas Unique key can accept one NULL value.

A table can have only primary key whereas there can be multiple unique key on a table.

A Clustered index automatically created when a primary key is defined whereas Unique key generates the non-clustered index.

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   Like         Discuss         Correct / Improve     Unique Key  Primary Key     Asked in 1 Companies

 Q2033. Which file holds the dependent package information ?Angular
Ans. package.json

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 Q2034. Have you ever faced any problem due to package version incompatibility in angular ? How did you fix it ? Angular
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 Q2035. Difference between ViewChild and ContentChild.Angular
Ans. Any directive, component, and element which is part of component template is accessed as ViewChild. Whereas, any element or component which is projected inside is accessed as ContentChild.

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   Like         Discuss         Correct / Improve     ViewChild  ContentChild   ViewChild vs ContentChild

 Q2036. Which change detection strategy do you use in your application and Why ?Angular
Ans. We use ChangeDetectionStrategy.Push

As the application grows bigger , The default change detection strategy could become a performance overhead and hence should be avoided.

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   Like         Discuss         Correct / Improve     ChangeDetectionStrategy     Asked in 1 Companies

 Q2037. What are the different conditions that triggers view update in case of push ChangeDetectionStrategy ?Angular
Ans. 1. Any change in Input
2. Any even originating from the component or it's child components
3. Explicit trigger

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   Like         Discuss         Correct / Improve     ChangeDetectionStrategy

 Q2038. What is a component decorator ? Angular
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 Q2039. What is interpolation in Angular ?Angular
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   Like         Discuss         Correct / Improve     interpolation

 Q2040. Can we use interpolation with all data types ?
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