Hi fxeconomist:
There are several ways to achieve that, depending on the IDE you are using. If using a IDE, you create a project, create your source files inside the project usualy inside a package (packages usualy are directory structures) and at the end build the project that result on a jar file you need to include on your strategy.
In one of my articles i suggest some useful resources with information to learn java ->
https://www.dukascopy.com/fxcomm/fx-arti ... ead&id=832Other i found recently and i think that is very good is ->
https://www.newthinktank.com/videos/java-video-tutorial/Trade well
JL