Java.lang.Package Class

Java.lang.Package Class

Introduction

The java.lang.Package class contain version information about the implementation and specification of a Java package

Class declaration

Following is the declaration for java.lang.Package class:

public class Package
   extends Object
   implements AnnotatedElement

Class methods

S.N.Method & Description
1<A extends Annotation> A getAnnotation(Class<A> annotationClass)

This method returns this element’s annotation for the specified type if such an annotation is present, else null.

2Annotation[] getAnnotations()

This method returns all annotations present on this element.

3Annotation[] getDeclaredAnnotations()

This method returns all annotations that are directly present on this element.

4String getImplementationTitle()

This method return the title of this package.

5String getImplementationVendor()

This method returns the name of the organization, vendor or company that provided this implementation.

6String getImplementationVersion()

This method return the version of this implementation.

7String getName()

This method return the name of this package.

8static Package getPackage(String name)

This method find a package by name in the callers ClassLoader instance.

9static Package[] getPackages()

This method get all the packages currently known for the caller’s ClassLoader instance.

10String getSpecificationTitle()

This method return the title of the specification that this package implements.

11String getSpecificationVendor()

This method return the name of the organization, vendor, or company that owns and maintains the specification of the classes that implement this package.

12String getSpecificationVersion()

This method returns the version number of the specification that this package implements.

13int hashCode()

This method return the hash code computed from the package name.

14boolean isAnnotationPresent(Class<? extends Annotation> annotationClass)

This method returns true if an annotation for the specified type is present on this element, else false.

15boolean isCompatibleWith(String desired)

This method compare this package’s specification version with a desired version.

16boolean isSealed()

This method returns true if this package is sealed.

17boolean isSealed(URL url)

This method returns true if this package is sealed with respect to the specified code source url.

18String toString()

This method returns the string representation of this Package.

Methods inherited

This class inherits methods from the following classes:

  • java.lang.Object

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