Spring Boot

Sample of html table to put java variable value with Thymleaf (th: tag for identify themleaf)

@override use for identify override method

@Supperwarning(“unchecked”) use for run time errors stop

@target annotation used for identify the what level ,we can use this

Custom Annotation Create

Marker Annotation

Single Value Annotation

we can set one value to this

we can set default value

Multi Value Annotation

@Retention used for define different policies

How to use Annotation

#https://www.youtube.com/watch?v=dXRTy3s_iBM&list=PLMUADCL7oMSR820QDiwCQh8FHIO9jJQen&index=3

Dependency Injection In the Spring Boot

Not Injected

After the Inject

@Componnent and @Autowired Add