Source: Using Java Reflection: When, Why, and How It’s Beneficial 1. What is Java Reflection? 1.1 Definition and Purpose Explain Java Reflection as the ability to inspect and modify the runtime behavior of applications. Describe how it pr...
Source: Using @Formula in Hibernate: A Comprehensive Guide with Best Practices, Code Examples, and Results 1. What is @Formula in Hibernate? 1.1 Calculating Values on the Fly The @Formula annotation in Hibernate allows you to map a calcul...
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...
