import java.lang.reflect.*;


public class PrintPi {

  public static void main(String[] args) {
  
    try {
      Class math = Class.forName("java.lang.Math");
      Field PI =  math.getField("PI");
      double pi = PI.getDouble(null);
      System.out.println("PI is " + pi); 
    }
    catch (Exception e) {
      System.err.println(e);
    }
  
  }

}