The Package class in Java provides information about a package, such as its name and the annotations associated with it. It allows you to get metadata about the package and check various properties of the package.
This guide covers various methods available in the Package class. Each method is described in simple terms to help beginners understand how to use them.
Java Package Class Methods
The table below contains various methods of the Java Package class, each with a link to a detailed explanation, examples, and real-world uses. Click on the method names to learn more about how to use them effectively in your applications.
| Method | Description |
|---|---|
| getAnnotation() | Returns the annotation for the specified type if it is present. |
| getAnnotations() | Returns all annotations present on this package. |
| getAnnotationsByType() | Returns annotations of the specified type on this package. |
| getDeclaredAnnotation() | Returns the annotation for the specified type if it is directly present on this package. |
| getDeclaredAnnotations() | Returns all annotations directly present on this package. |
| getImplementationTitle() | Returns the title of this package’s implementation. |
| getImplementationVendor() | Returns the vendor of this package’s implementation. |
| getImplementationVersion() | Returns the version of this package’s implementation. |
| getName() | Returns the name of this package. |
| getPackage() | Returns the package for the specified name. |
| isAnnotationPresent() | Returns true if an annotation for the specified type is present on this package. |
| isSealed() | Returns true if this package is sealed. |
The Package class is part of the java.lang package. It provides essential methods for inspecting package metadata and annotations, making it easier to handle package-related information efficiently in Java programming.
For more detailed information, please refer to the official Java SE Documentation.