java-tutorials/core-java-modules/core-java-9-new-features/compile-httpclient.bat

javac --module-path mods -d mods/com.baeldung.httpclient^
 src/modules/com.baeldung.httpclient/module-info.java^
 src/modules/com.baeldung.httpclient/com/baeldung/httpclient/HttpClientExample.java