Java Reflection API is part of the java.lang.reflect and java.lang packages. It allows inspection and manipulation of classes, interfaces, constructors, methods, and fields at runtime—even if they are private. This capability is extremely useful for frameworks, development tools, and advanced operations such as serialization, dependency injection, and testing. What is the Reflection API? The Reflection …
The java.lang package in Java provides fundamental classes that are automatically imported into every Java program. The Class class, specifically java.lang.Class, is a core class in this package. It represents classes and interfaces in a running Java application, serving as the entry point for Java’s reflection API. Below is a detailed explanation of the Class …
The Object class in Java is the root of the class hierarchy. Every class in Java inherits from Object, either directly or indirectly, making it the ultimate superclass. It provides a set of fundamental methods that all classes can use or override. These methods are defined in the java.lang.Object package and are available to every …
The java.lang package is a fundamental part of the Java programming language, providing classes that are essential for performing basic operations. It is automatically imported by default in every Java program, eliminating the need for explicit import statements. The java.lang package includes classes that handle basic data types, string manipulation, system operations, exception handling, and …
