Spring boot Interview Questions and Answers for 3+ years of Experience in 2023 | Code Decode

In this video of code decode spring boot interview questions and answers for 3+ years of experience we have covered mostly asked interview question and answers on spring boot.
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What is Spring Boot, and how does it differ from the Spring framework?
Spring Boot is a framework that simplifies the development of Spring-based applications. It provides a number of features that make it easier to create stand-alone, production-grade applications, such as:
Auto-configuration: Spring Boot automatically configures many of the Spring features that you would typically need to configure manually.
Starter dependencies: Spring Boot provides starter dependencies that make it easy to add common features to your application, such as web development, data access, and messaging.
Embedded servers: Spring Boot provides embedded servers, such as Tomcat and Jetty, so you don't need to configure a separate web server.
Metrics and health checks: Spring Boot provides metrics and health checks that you can use to monitor your application.
How do you configure a database connection in Spring Boot?
There are two ways to configure a database connection in Spring Boot:
Using the application.properties file: This is the most common way to configure a database connection. You can specify the connection properties in the application.properties file, and Spring Boot will automatically configure the database connection.
Using the @Configuration class: This is a more advanced way to configure a database connection. You can create a @Configuration class and specify the connection properties in the class. Spring Boot will then use the @Configuration class to configure the database connection.
Once you have configured the database connection, you can use it in your Spring Boot application using Hibernate / JPA or even simpler JdbcTemplate.
How do you configure a database connection in Spring Boot?
Here is an example of how to configure a database connection in the application.properties file:
spring.datasource.url=jdbc:mysql://localhost:3306/mydatabase
spring.datasource.username=root
spring.datasource.password=password
How do you implement caching in Spring Boot?
Configure a cache manager: Spring Boot provides a default cache manager, but you can also define a custom cache manager. To use the default cache manager, no further configuration is required. However, if you want to define a custom cache manager, create a bean of type CacheManager in your configuration class:
@Configuration
public class CacheConfig {
@Bean
public CacheManager cacheManager() {
// Define and configure your cache manager here
}
}
Add caching annotations to your methods: To enable caching for a specific method, use annotations such as @Cacheable, @CachePut, or @CacheEvict on the method. For example:
@Service
public class YourService {
@Cacheable("yourCacheName")
public String getCachedData(String key) {
// This method will be cached based on the cache name and the key parameter
// Return the data to be cached
}
}
In the above example, the @Cacheable annotation ensures that the getCachedData method is cached. Subsequent invocations with the same cache name and key will retrieve the cached result instead of executing the method again. Additionally, you can configure cache-specific settings such as eviction policies, time-to-live, and cache names.
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[@anshul2675]

I can not thank you enough, that was really helpful. My interview went really well and most of the questions were around the topic you covered in this video. Thank a lot

[@InfoKuchKhaas]

Thanks , this channel is great for working professionals

[@CodeDecode]

Thanks 😊😊

[@komalmehta5665]

It's a great video. Thanks a lot. Could you please make more such videos related to 3+ years to cover rest of the topics as well?

[@CodeDecode]

Sure Komal 😊👍

[@johnnybreathe]

Thank you 😊 for the your knowledge

[@CodeDecode]

😊😊

[@siddharthgawai5043]

You are doing great job,
please create tricky questions related videos for 7+ years of experience.

[@CodeDecode]

Sure Siddharth 👍👍

[@aditisingh6330]

Hi Code decode I really can not thank you enough for making such excellent series of Spring boot, I request you to please please cover the rest part as well 😊

[@CodeDecode]

Thanks Aditi sure 😊👍

[@rahulk5116]

Thanks it's a Great stuff ,Please cover 7+ years of experience it really helps for interview.

[@CodeDecode]

Sure Rahul 👍

[@nidhimody7809]

Please create tricky questions related videos for 7+ years of experience as well. Thanks!😊

[@CodeDecode]

sure we will create it soon

[@manojamh1697]

You are doing great job it is beneficial to many, Please add the spring boot related questions for 5+ years of experience and further

[@CodeDecode]

Sure Manoj Thanks 👍👍

[@misjmadura]

Great explanations👌 Your videos are so informative and helpful..Could you please also cover ‘setting timeout’ part for rest api calls? eg. SocketTimeoutException

[@CodeDecode]

Thanks 😊 sure 👍👍

[@jatindixit7192]

Great work❤!
Please provide project examples in real-time like datasource one for each question if possible.

[@CodeDecode]

Thanks Jatin 🙂 sure 👍👍

[@supun_sandaruwan]

Really great content. Thank you 💛

[@CodeDecode]

You're welcome!

[@mahalakshmilingolu4423]

Code decode is the boilerplate piece for nterview crakers,,,really helpful.can you please upload 5+ as well.

[@sravanviswanadha626]

You are doing great job, please keep up this work, it is beneficial to many of us. Try to make all the spring boot related questions till 7 years of experience. Thanks

[@CodeDecode]

Sure thanks 👍👍😊😊

[@lakshmichepeni6903]

Thanks for the video.Can you please make videos for 5+ years interview questions and coding questions as a series covering the topics which are asked in interviews

[@CodeDecode]

Sure Lakshmi 👍👍

[@vinaykumarmadiwalar2792]

3+ yrs of spring boot IQ video was very helpful and please cover spring boot IQ for 5+ years as well.

[@CodeDecode]

Sure Vinay 👍

[@vipinrathore6538]

Thanks for great explanation. can I get the ppt which you were using for explanation?

[@amritashetty9551]

Hi Code decode, your interview series has been great and very helpful. Can you please upload 7+ years of experience as well . I have a client interview scheduled after 2 days

[@CodeDecode]

Sure Amrita. Till then we have a separate playlist named interview preparation only. You can go though them for quick revision

[@divyareddy8747]

Can you please do for 7+ years as soon as possible

[@bbkrishnareddy8886]

We want more vedios on 3+years of experience vedios like this vedios

[@CodeDecode]

😊 sure 👍

[@Rkreddy123]

Yes

[@nhv2607]

So great! but with pratice it's even better

[@CodeDecode]

Thanks

[@keerthanabalasubramanian9171]

Just now completed this video. awesome clear explanation.
I am going to start my interview preparation for Java backend developer with 3 years experience?
Any order in your video to watch?

[@TheKavyajayan]

Hi Code Decode, I have heard not to use @Autowired annotation and it is less recommended method of dependency injection. But I have not yet got any concrete answer for this. Can you comment on this?

[@meghanaschannel1514]

Thank you so much mam, you are giving a chance to earn our bread and butter and increasing employment rates...thanks a lot

[@CodeDecode]

Means a lot to us Meghana. Thanks for your kind words❤️❤️

[@muhassinmusthafa3379]

How we give profile name along with @Profile ? test only application-test ? means @Profile("test") or @Profile("application-test")

[@abhilashchaparala7651]

this video explanation is very helpful. please cover 7+ years of experience next if possible.

[@CodeDecode]

Sure Abhilash 👍🙂

[@muhassinmusthafa3379]

Advance Thanks for the next class..😄
Please upload a video for concepts like starter-cache ,@EnableCaching,eviction-policies, time-to-leave etc..
Your way of teaching the concepts with slides and IDE examples are great and easy to understand especially @SpringBootApplication explanation..Loved it a lot..

[@CodeDecode]

Thanks a ton 😊😊 sure we will upload these videos👍

[@muhassinmusthafa3379]

@@CodeDecode Please try to include @Cacheable, @CacheEvict,@CachePut also also..
One doubt here :
Can We use these annotations as common in all caching mechansms like in memory, distributed, paging,etc.. ? Or is it specific to any one mechanism only..defaut one..in memory ?

[@rishiraj2548]

thanks again

[@CodeDecode]

😊😊

[@RajatGupta-vu8xp]

Yes pls cover More experienced Questions

[@CodeDecode]

sure we will cover it soon

[@sproutboot]

Code decode ❤ i love your voice..

[@CodeDecode]

😊

[@user-jc3fx1cn5g]

Can you help me with the following, Java practical programming questions for 3 to 5 years of experience and most asked Java questions from the basic level to advance and it will be helpful of teaching with DSA

[@akashsaha9366]

Please create tricky questions for 7-8+ years of experience for spring-boot3, spring 6, hibernate 6

[@CodeDecode]

Sure Akash 👍😊

[@aditisingh6330]

Hi,Please cover the rest part also for 4-5 years of experienced candidates.

[@rutikkharat3088]

thanks a lot mam!

[@CodeDecode]

you're welcome

[@akashchoudhary5895]

yes Please cover 5+ and 7+ experience interview videos

[@CodeDecode]

Sure Akash 👍🙂

[@gshivugu]

Great tutorial. Also Kindly cover for 5+ experience

[@CodeDecode]

Thanks Sure 👍👍

[@chahatjindal6898]

Your content is very good, can you make videos on kafka api's as well and complete the kafka series

[@CodeDecode]

Sure 👍👍

[@chandrabhandhokane7712]

Thanku😊

[@CodeDecode]

😊😊

[@kamalsuryavanshi8411]

greate work sister ❤🧡

[@CodeDecode]

Thanks

[@bassusalodagi2280]

need combined questions of springboot microservices and java in a single video ..only most asked questions ..can u plz make those for us

[@CodeDecode]

Do u need anything like this
ua-cam.com/video/a_Z9Wio_lyM/v-deo.html

[@Rkreddy123]

Yee pls

[@payelsaha9346]

Please make videos for all 5+ and 7+ years of experience's interview questions

[@CodeDecode]

sure we will create it soon

[@s_tcreations..]

Excellent 👍🏻 medam thankyou

[@CodeDecode]

You're welcome

[@mayurdhanokar7172]

I like this video Please provide 5+ year as well

[@CodeDecode]

sure we will create it soon

[@MrRahulcPatel]

Thanks for video can you please create 5+ and 7+ spring boot interview question

[@CodeDecode]

Sure 👍👍

[@lakshmanchintala8942]

Nice one 👏Where are you from and what's your name?

[@sreesaiprakashmedi5322]

Super

[@CodeDecode]

Thanks

[@jagan1957]

Please cover 7+ years experienced questions in Spring boot framework. It is a kind request.

[@CodeDecode]

We will create it soon

[@ganeshkasar47]

Please create the most asked question 5+ and 7+ years experience as well

[@CodeDecode]

Sure we will create it soon

[@kudumulasivaramakrishnared6379]

Please do video series on data structures

[@CodeDecode]

sure we will create it soon

[@Thaaranya]

please upload videos for 5+and 7+ yrs interview questions and asynchronous communication with kafka

[@CodeDecode]

Kakfa Tutorial / Interview Questions: ua-cam.com/play/PLyHJZXNdCXset6tBB1aY5aEY77YhbxWLo.html

[@Gsuresh_3]

Hello, Recently I faced a question in interview, if I give a java project along with remote server without any IDE how you run that project. Can you make a video on it

[@CodeDecode]

If you have jar, command line you can use.
Java -jar command can be used

[@Gsuresh_3]

@@CodeDecode Can You Make a Video on that

[@aditisingh6330]

Please make videos on Spring Boot Pagination , Spring JPA

[@CodeDecode]

Sure Aditi 👍

[@sudipbiswas2149]

Hi, can you please provide the ppt so that will be easy for revision.

[@kalid-ui7qf]

Hi Mr i have problem application angular and JEE i want to helpe me and give me solution PLZZZ

[@aashankapatle2751]

Hi please make videos on 5+ and 7+ interview questions also

[@CodeDecode]

sure we will create it soon

[@RajeshKumar-ci9zu]

Expecting for 5+ and 7+ years experience as well at the earliest please.

[@CodeDecode]

sure we will create it soon

[@drumstick_farming]

Please make a video on spring security end to end implementation

[@naveenkumark5118]

Yes Please

[@CodeDecode]

ua-cam.com/video/_WDDMAkLEU8/v-deo.html
Do you need any thing like this?

[@tareeqazeez7344]

Hi, May i pls know how to run the spring boot application in more than one port ?

[@CodeDecode]

Use server.port in different profiles like dev test qa

[@divyasrivastava574]

Please post 7+ questions as well

[@CodeDecode]

sure we will create it soon

[@sureshnimmagadda9225]

please provide spring boot qustions and answers for 8+ yrs experience.

[@CodeDecode]

Sure 😊

[@kalyanichalamalasetty7725]

please share the interview questions for 7+ experience

[@CodeDecode]

Sure we will cover it soon

[@wasif1071]

need 2 + years of experience too

[@CodeDecode]

Sure we will try to create soon

[@yoshitamahajan353]

Plz add for cache in Spring boot..

[@CodeDecode]

Sure, we will create it soon

[@mriduladil3725]

Hi, please do 5+

[@CodeDecode]

👍

[@rohanchowdary8511]

mam cover more on 3+ years..and then 5+years

[@CodeDecode]

Sure

[@rishiraj2548]

🙏💯💯

[@CodeDecode]

😊😊👍👍

[@krishnakumarparthasarathy418]

Please create videos for 5+ and 7+ experience

[@CodeDecode]

Sure Krishna 🙂👍

[@dhillepdhillepkumar4363]

Pls create videos for 7+ experience

[@CodeDecode]

Sure we will create it soon

[@niladribhattacharya9627]

Please create for 7+ and 5+ also....❤❤

[@CodeDecode]

Sure we will create it soon

[@mrrishiraj88]

🙏❤👍

[@CodeDecode]

❤️❤️🙏

[@rakeshranjan7388]

pls provide for 7+ or 10+ exp, humble request

[@CodeDecode]

sure we will create it soon

[@shubhamgoyal1968]

please make video for 5+

[@CodeDecode]

Sure Shubham 🙂👍

[@abdullahmiah2799]

Please share document

[@shabarishkumarelluru6214]

Please help us to create a video on 5+

[@CodeDecode]

sure we will create it soon

[@motivationfromengineer6698]

Please make the video for 7 years of experience people

[@CodeDecode]

Sure we will create it soon

[@amarthyaseshu683]

Cover 5 yrs experienced also will watch after 2.5 yrs 😂

[@CodeDecode]

😂😂 sure 😝

[@Anushaaa_]

😂

[@sailakshmi4406]

Need 5+ and 7+ years questions

[@CodeDecode]

Sure we will create it soon

[@vspyryt]

Hi, 7+ years pls

[@CodeDecode]

Sure we will create it soon

[@eksivakumar]

pls post for 12 plus

[@CodeDecode]

Sure we will create one soon

[@harshadaraut4096]

5+ years experience questions please

[@CodeDecode]

Sure we will create it soon