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public class PackageInfo
{

    public static void main(String[] args)
    {
        Package packageObj = Package.getPackage("java.util");

        System.out.println("package name: " + packageObj.getName());

        System.out.println("Specification Title: "
                + packageObj.getSpecificationTitle());
        System.out.println("Specification Vendor: "
                + packageObj.getSpecificationVendor());
        System.out.println("Specification Version: "
                + packageObj.getSpecificationVersion());

        System.out.println("Implementaion Title: "
                + packageObj.getImplementationTitle());
        System.out.println("Implementation Vendor: "
                + packageObj.getImplementationVendor());
        System.out.println("Implementation Version: "
                + packageObj.getImplementationVersion());
        System.out.println("Is sealed: " + packageObj.isSealed());

    }

}