Cay S. Horstmann

Cay S. Horstmann is author of Modern JavaScript for the Impatient (2020), Core Java® SE 9 for the Impatient, Second Edition (2017), Scala for the Impatient, Second Edition (2016), and Java SE 8 for the Really Impatient (2014), all from Addison-Wesley. He has written more than a dozen other books for professional programmers and computer science students. He is an emeritus professor of computer science at San Jose State University and a Java Champion.