Java The Complete Reference, Seventh Edition

430 Part II: The Java Library

Method Description

<A extends Annotation> A

getAnnotation(Class<A>annoType)

Returns anAnnotationobject that contains the

annotation associated withannoTypefor the

invoking object.

Annotation[ ] getAnnotations( ) Returns all annotations associated with the invoking

object in an array ofAnnotationobjects. Returns a

reference to this array.

Annotation[ ] getDeclaredAnnotations( ) Returns anAnnotationobject for all the annotations

that are declared by the invoking object. (Inherited

annotations are ignored.)

String getImplementationTitle( ) Returns the title of the invoking package.

String getImplementationVendor( ) Returns the name of the implementor of the

invoking package.

String getImplementationVersion( ) Returns the version number of the invoking package.

String getName( ) Returns the name of the invoking package.

static Package getPackage(StringpkgName) Returns aPackageobject with the name specified

bypkgName.

static Package[ ] getPackages( ) Returns all packages about which the invoking

program is currently aware.

String getSpecificationTitle( ) Returns the title of the invoking package’s

specification.

String getSpecificationVendor( ) Returns the name of the owner of the specification

for the invoking package.

String getSpecificationVersion( ) Returns the invoking package’s specification

version number.

int hashCode( ) Returns the hash code for the invoking package.

boolean isAnnotationPresent(

Class<? extends Annotation>anno)

Returnstrueif the annotation described byannois

associated with the invoking object. Returnsfalse,

other wise.

boolean isCompatibleWith(StringverNum)

throws NumberFormatException

ReturnstrueifverNumis less than or equal to the

invoking package’s version number.

boolean isSealed( ) Returnstrueif the invoking package is sealed.

Returnsfalseother wise.

boolean isSealed(URLurl) Returnstrueif the invoking package is sealed

relative tourl.Returnsfalseother wise.

String toString( ) Returns the string equivalent of the invoking

package.

TABLE 16-19 The Methods Defined byPackage