Cay S. Horstmann

Cay S. Horstmann is author of Core Java® for the Impatient (2015), Java SE 8 for the Really Impatient (2014), and Scala for the Impatient (2012), all from Addison-Wesley. He has written more than a dozen other books for professional programmers and computer science students. He is a professor of computer science at San Jose State University and is a Java Champion.