You'd either include the paths in your invocations of javac and java with the -cp command line switch, or if you're using a build tool or IDE, it'll have its own method of managing the classpath.

2. The Java profiler: javap You can consider the Java command-line tool javap a complement to the javac utility. While javac compiles code, the javap utility reverses that compilation and provides ...

Exception in thread "main" java.lang.Exception: Need at least one command line argument!, Getting User Input Apart from using the command line-arguments of a program, there is an alternative way for ...

Linux/BSD command line wizardry: Learn to think in sed, awk, and grep "Do people really write these long, convoluted commands?" In a word: yes.