A Spring Boot example using the KafkaListener annotation including annotation properties, KafkaListenerContainerFactory and Default KafkaConsumerFactory explained.
@Qualifier annotation example in Spring Boot including @Qualifier vs @Primary, the use of @Qualifier and examples.
MongoDB $lookup examples including pipeline example, joins, and $lookup with conditions. Quickly understand $lookup aggregations with these examples and explanations
BeanPostProcessor example in Spring Boot including proxy example, BeanFactoryPostProcessor vs BeanPostProcessor, BeanPostProcessor not getting called, BeanPostProcessor vs PostConstruct, and more.
@OneToMany example including the best approach, bidirectional, unidirectional, generated SQL statements and comparisons.
One to One Example using Spring Data JPA and Hibernate including shared primary key, unidirectional, and bidirectional examples.
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