Get the specification title, vendor and version

String getSpecificationTitle()
Return the title of the specification.
String getSpecificationVendor()
Return the name of the organization, vendor.
String getSpecificationVersion()
Returns the version number.

public class Main {
  public static void main(String[] args) {
    Package p = Package.getPackage("javax.swing");

    System.out.println(p.getSpecificationTitle());
    System.out.println(p.getSpecificationVendor());
    System.out.println(p.getSpecificationVersion());
  }
}

The output: 


Java Platform API Specification
Sun Microsystems, Inc.
1.6
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Package:
  1. Package Reflection
  2. Get package for a name
  3. Get all packages
  4. Get the annotations
  5. Get implementation title, vendor and version
  6. Get the package name
  7. Get the specification title, vendor and version
  8. Get the string representation of the Package