Java Security check if Bouncy Castle provider is installed

import java.security.Security;

public class Main {
  public static void main(String[] args) {
    String providerName = "BC";

    if (Security.getProvider(providerName) == null) {
      System.out.println(providerName + " provider not installed");
    } else {// w ww.  j  a  v  a  2 s .co m
      System.out.println(providerName + " is installed.");
    }
  }
}