Here's a neutral and interesting summary of how to call the Twilio API from Java programs on the commandline: To run Java programs that use the Twilio Java helper library to make Twilio REST API requests, you need to have a Java runtime environment (JRE) installed on your computer for running Java class files. You also need to download and include the Twilio Java helper library JAR file in your compilation. The compilation command includes the Twilio helper library JAR file, while the run command includes the Twilio helper library JAR file and the current directory where the class file is located. Optionally, you can create scripts for compiling and running your Twilio Java programs to make it easier to execute them. With these methods, you have a quick way to compile and run Twilio Java programs with minimal setup, which is handy for testing and managing programs on remote computers or without a GUI.