Open In App

Package getSpecificationVersion() method in Java with Examples

Improve
Improve
Like Article
Like
Save
Share
Report

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

public String getSpecificationVersion()

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

Java




// Java program to demonstrate
// getSpecificationVersion() 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 version of myPackage
        // using getSpecificationVersion() method
        System.out.println(
            "Specification version of myPackage: "
            + myPackage.getSpecificationVersion());
    }
}


Output: 

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

 

Example 2:
 

Java




// Java program to demonstrate
// getSpecificationVersion() 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 name of myPackage
        // using getSpecificationVersion() method
        System.out.println(
            "Specification version of myPackage: "
            + myPackage.getSpecificationVersion());
    }
}


Output: 

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

 

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



Last Updated : 25 Jan, 2022
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads