Package getSpecificationVendor() method in Java with Examples

The getSpecificationVendor() method of java.lang.Package class is used to get the vendor of the specification of this package. The method returns the specification vendor of the package as a String.
Syntax:

public String getSpecificationVendor()

Parameter: This method does not accept any parameter.
Return Value: This method returns the specification vendor of the package as a String, if known. Else it returns null
Below programs demonstrate the getSpecificationVendor() method.
Example 1:

Java

// Java program to demonstrate
// getSpecificationVendor() method

public class Test {
    public static void main(String[] args)
    {

        // returns the Package
        // object for this package
        Package myPackage
            = Package.getPackage("java.lang");

        System.out.println(
            "Package represented"
            + " by myPackage: "
            + myPackage.toString());

        // Get the specification vendor
        // of myPackage using
        // getSpecificationVendor() method
        System.out.println(
            "Specification vendor"
            + " of myPackage: "
            + myPackage.getSpecificationVendor());
    }
}

Output:

Package represented by myPackage: package java.lang, Java Platform API Specification, version 1.8
Specification vendor of myPackage: Oracle Corporation

Example 2:

Java

// Java program to demonstrate
// getSpecificationVendor() method

public class Test {

    public static void main(String[] args)
    {

        // returns the Package
        // object for this package
        Package myPackage
            = Package.getPackage("java.io");

        System.out.println(
            "Package represented"
            + " by myPackage: "
            + myPackage.toString());

        // Get the specification vendor
        // of myPackage using
        // getSpecificationVendor() method
        System.out.println(
            "Specification vendor"
            + " of myPackage: "
            + myPackage.getSpecificationVendor());
    }
}

Output:

Package represented by myPackage: package java.io, Java Platform API Specification, version 1.8
Specification vendor of myPackage: Oracle Corporation

Reference: https://docs.oracle.com/javase/9/docs/api/java/lang/Package.html#getSpecificationVendor–