OCP Java SE 8 Programmer II Study Guide Exam 1Z0-809

Javarecentlycelebratedits20thbirthday,sinceitwas“born”in1995.Aswithanything20yearsold,thereisagoodamountofhistoryandvariationbetweendifferentversionsofJava.Overtheyears,thecertificationexamshavechangedtocoverdifferenttopics.Thenamesoftheexamshaveevenchanged.ThisbookcoverstheJav