Java getSpecificationVendor() Method

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Description

The Java Package getSpecificationVendor() method returns the name of the organization, vendor, or company that owns and maintains the specification of the classes that implement this package.

Declaration

Following is the declaration for java.lang.Package.getSpecificationVendor() method

public String getSpecificationVendor()

Parameters

NA

Return Value

This method returns the specification vendor, null is returned if it is not known.

Exception

NA

Getting Specification Vendor of java.lang Package Example

The following example shows the usage of java.lang.Package.getSpecificationVendor() method. In this program, we've created a Package variable and assigned it java.lang package object. Then using getSpecificationVendor() method, specification vendor of the package is printed.

package com.tutorialspoint;

public class PackageDemo {

   public static void main(String[] args) {

      // get the java package
      Package pack = Package.getPackage("java.lang");

      // print the package specification vendor
      System.out.println(pack.getSpecificationVendor());
   }
}

Output

Let us compile and run the above program, this will produce the following result −

null

Getting Specification Vendor of Custom Package Example

The following example shows the usage of java.lang.Package.getSpecificationVendor() method. In this program, we've created a Package variable and assigned it com.tutorialspoint package object. Then using getSpecificationVendor() method, specification vendor of the package is printed.

package com.tutorialspoint;

public class PackageDemo {

   public static void main(String[] args) {

      // get the java package
      Package pack = Package.getPackage("com.tutorialspoint");

      // print the package specification vendor
      System.out.println(pack.getSpecificationVendor());
   }
}

Output

Let us compile and run the above program, this will produce the following result −

null

Getting Specification Vendor of java.util Package Example

The following example shows the usage of java.lang.Package.getSpecificationVendor() method. In this program, we've created a Package variable and assigned it java.util package object. Then using getSpecificationVendor() method, specification vendor of the package is printed.

package com.tutorialspoint;

public class PackageDemo {

   public static void main(String[] args) {

      // get the java package
      Package pack = Package.getPackage("java.util");

      // print the package specification vendor
      System.out.println(pack.getSpecificationVendor());
   }
}

Output

Let us compile and run the above program, this will produce the following result −

null