Typo on page 86

[Sanket JainNy]

In second for loop print statement it is given:
System.out.println((values[i]-values[i-1]) + "");

To return the printed output the print statement should add comma like:
System.out.println((values[i]-values[i-1]) + ",");

[Ganesh Patekar]

Indeed It's a typo. It's already added in the errata list of OCAJP 8 Sybex. Please click here -->Errata OCAJP 8 Sybex to know more about listed erratas of the book.