Java Tutorial : Java package Class

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https://www.youtube.com/watch?v=EOd3ZLOxZc8&list=UUhwKlOVR041tngjerWxVccw

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PackageInfo.java

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());

    }

}

Output

package name: java.util
Specification Title: Java Platform API Specification
Specification Vendor: Oracle Corporation
Specification Version: 1.8
Implementaion Title: Java Runtime Environment
Implementation Vendor: Oracle Corporation
Implementation Version: 1.8.0_40
Is sealed: false

To Download PackageClassDemoApp Project Click the below link
https://sites.google.com/site/javaee4321/java/PackageClassDemoApp.zip?attredirects=0&d=1

External Links:

https://docs.oracle.com/javase/8/docs/api/index.html?java/lang/Package.html

See also:

All JavaEE Viedos Playlist

All JavaEE Viedos

All JAVA EE Links

Servlets Tutorial

All Design Patterns Links

JDBC Tutorial

Java Collection Framework Tutorial

JAVA Tutorial