how to create a jar file code example

Example 1: compile jar file command

jar cvf example.jar *

Example 2: java to jar

# cd into the directory that contains your project
jar cvfe <output jar filename>.jar <main class location> *

Example 3: create a JAR file containing the class file

jar cvf jar_name.jar class_you_want_in_jar.class

Example 4: run jar file

java -jar yourFile.jar