Source: Differentiate Between @Component and @Bean Annotations in Spring 1. What is @Component? The @Component annotation is a class-level annotation that marks a Java class as a Spring-managed component. It is a generic stereotype for any Spr...
Source: Techniques for Using Repeat Annotation in Java: Unlocking Its Power with Code Examples and Demos 1. Understanding Repeatable Annotations in Java Repeat annotations offer a way to apply the same annotation to a target multiple times. Be...
Source: Mastering the @MapKey Annotation for Map Relationships 1. Understanding the @MapKey Annotation The @MapKey annotation is used in Hibernate to define a map relationship where each entry in the map is a key-value pair. This allows you to...
Source: Tips to Avoid NullPointerException in Java 1. What is NullPointerException (NPE) in Java? A NullPointerException occurs when your Java program tries to use an object reference that has not been initialized (i.e., points to null)....
Source: Difference Between @RequestParam and @PathVariable Annotations in Spring 1. Introduction to @RequestParam and @PathVariable In a Spring application, URL parameters and path variables are often required to capture dynamic values in HTTP...
Source: Reasons Why You Should Use Spring’s @Primary Annotation 1. Introduction to Spring’s @Primary Annotation 1.1 What is Spring’s @Primary Annotation? The @Primary annotation in Spring is used to indicate that a specific bean should be...
