public class FloatingPointDemo {

  public static void main( String[] args ) {

    double bigNum = 1000000000000007.0;
    double regNum = .01;
    System.out.println("bigNum = " + bigNum);
    System.out.println("regNum = " + regNum);

    double sum1 = bigNum;
    sum1 = sum1 +  regNum;
    sum1 = sum1 +  regNum;
    sum1 = sum1 +  regNum;
    sum1 = sum1 +  regNum;
    sum1 = sum1 +  regNum;
    sum1 = sum1 +  regNum;
    sum1 = sum1 +  regNum;
    sum1 = sum1 +  regNum;
    sum1 = sum1 +  regNum;
    sum1 = sum1 +  regNum;
    System.out.println("  sum1 = " + sum1 );

    double sum2 = regNum;
    sum2 = sum2 +  regNum;
    sum2 = sum2 +  regNum;
    sum2 = sum2 +  regNum;
    sum2 = sum2 +  regNum;
    sum2 = sum2 +  regNum;
    sum2 = sum2 +  regNum;
    sum2 = sum2 +  regNum;
    sum2 = sum2 +  regNum;
    sum2 = sum2 +  regNum;
    sum2 = sum2 +  bigNum;
    System.out.println("  sum2 = " + sum2 );
  }
}