<dependency> <groupId>gnu.getopt</groupId> <artifactId>java-getopt</artifactId> <version>1.0.15</version> </dependency> Getopt options = new Getopt("MyProgram", args, "a:bcd"); int option; while ((option = options.getopt()) != -1) { switch (option) { case 'a': String arg1 = options.getOptarg(); break; case 'b': String arg2 = options.getOptarg(); break; case 'c': break; case 'd': break; case ':': break; case '?': break; default: break; } } shell javac MyProgram.java shell java MyProgram -a value1 -b value2 -c -d