Get package Implementation Version in Java

//  www  .j  a  va 2 s .c  o m
public class Main {
  public static void main(String args[]) {
    Package[] pkgs = Package.getPackages();
   
    for(int i=0; i < pkgs.length; i++)
      System.out.println(
             pkgs[i].getName() + " " +
             pkgs[i].getImplementationVersion()
      );
   
  }
}