I have a NetBeans project I would like to compile from the command line. There are many other questions on StackOverflow about how to do so, but they explain how to compile the
ant compile Compiles the project (.class files are placed in the build/classes folder)
ant compile
ant jar Compiles the project (see above) and builds a JAR ( located in dist/ )
ant jar
If that doesn't work for you, check ant's output for errors. (Is the JAVA_HOME Variable set properly?)
ant