The Java Tutorials have been written for JDK 8. Examples and practices described in this page don't take advantage of improvements introduced in later releases and might use technology no longer available.
See Java Language Changes for a summary of updated language features in Java SE 9 and subsequent releases.
See JDK Release Notes for information about new features, enhancements, and removed or deprecated options for all JDK releases.
Next, create a JAR file containing the Count.class
file. Type the following in your command window:
jar cvf Count.jar Count.class
This creates a JAR file, Count.jar
, and places the Count.class
file inside it.