We may not need the Spring Primary annotation on Beans of the same class, primarily when we use the @Bean annotation. When we have Java classes that implement the same interface, we will surely get the NoUniqueBeanDefinitionException exception. It happens
This post shows an example of how to use @Autowired to inject @Service object in @Controller object Kotlin.
This article demonstrates how to qualify beans of the same reference type in Spring. @Qualifier enables you to select and use a particular bean from a set of beans of the same type existing in the Spring container.