This course provides a quick primer on Java essentials. We will focus on the basic steps to create a stand-alone application, applet, or servlet in Java. Including the essentials of the Java Virtual Machine (JVM), the usefulness of the Java JDK, the basic structure of a Java class, and the special method used to tell the JVM where to begin processing code.

This course discusses variables in Java. You will learn about the eight primitives, also known as data types, and study the difference between local, instance, and class variables. In addition to learning the default values of each variable type, this unit discusses implicit and explicit casting and the operator types used by Java.