Welcome to All Linux Geeks, Programmers.

 Java class path ``` java -cp <path_to_jar>:<path_to_current_class> Main.class -> for linux java -cp <path_to_jar>:<path_to_current_class> Main.class -> for windows ``` java -cp ..:. Main .. indicates the previous directory ; | : separator for linux or windows . indicates the current working directory  loading classes from jar to create jar jar cvf <jar_file_name.jar> class1.class class2.class java -cp ..:. /path/to/jar:. Main compiling Java file where dependent classes not in the same directory, javac -cp <path-to-deps.java>:<path_to-current_class> <className> via jar javac -cp <path_to_jar>:<path_to_current_class> <class_name>