Spring bean life cycle | Bean Initialization & Destroy Callbacks | Spring boot interview prep #1

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In this video we will learn about the spring bean lifecycle. We will go through the lifecycle annotations like @PostConstruct and @PreDestory. We will also check about the InitializingBean and DisposableBean Interfaces and explore the afterPropertyset and destory methods which are the lifecycle call back methods given by the spring framework.

Spring framework also provides a way to set the init and destroy method with the @Bean annotation i.e while declaring the bean definition.

So let's explore the one of the top most spring boot interview question and understand the spring bean lifecycle in detail.

Timestamp
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00:00 - Spring Bean Lifecycle & Callbacks : contents
01:37 - A simple spring project
10:17 - @PostConstruct
15:22 - InitializingBean and afterPropertyset()
27:07 - @Bean initMethod
33:34 - Destory method callback
45:05 - @PreDesotry

#springboot #springframework #springboottutorial

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dimag khul jata ha tumhare videos dekh ke bhai, i wonder why views are less. best video

techwork-eo

Instead we can directly call that init method in constructor itself right. Instead of going for afterPropertySet method. Same way we can do it in constructor and then it will be initialized

jayachandranvj

Sir, what is the difference between @PostConstruct and constructor? I see that insead of using @PostConstruct we can use just constructor, we will have same result

aibardulatov

please provide some videos on multithreading based interview questions,

akshaymahajan

The best indian guy explaining complex concepts

badrelkhalyly

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