This free online course has been designed to arm programmers with the knowledge of Java they need for Oracle certification. In the introduction you will learn how to set up Java on Windows Mac and Linux operating systems using Eclipse software. You then move onto Java programming basics including printing to the console creating comments and understanding variables data types operators numbers strings and arrays. Next you will study the conditional statements (such as if and switch) loops (while do-while and for) and regular expressions used in Java programming.You then go on to learn the functions of applets (little applications) in Java programming. See how to pass values to functions and explore byte character and standard streams. Next you will be shown how to list directories and create folders in Java. Learn the functions of classes including keyword inheritance override and abstraction. Study exceptions and how to create your own. You will learn the properties of data structures including the stack data structure vectors properties and hashtables as well as sets bitsets and lists. Finally you will be introduced to networking in Java programming and be shown how to set up client and server files as well as how to create a class that runs as a thread. Learn about multithreading and mouse and keyboard events such as keypressed keytyped and keyreleased.Java is a simple and efficient general-purpose language used in computer programming and it is a portable object-oriented interpreted language. Java can be used to develop desktop and mobile applications and do big data processing. This free online course is focused on teaching Java for Oracle certification to programmers and developers. Sign up now and begin learning today at your own pace with no registration or monthly subscription fees.