windmill/system_prompts/auto-generated/skills/write-script-java/SKILL.md

name, description

name	description
write-script-java	MUST use when writing Java scripts.

CLI Commands

Place scripts in a folder. After writing, run:

• wmill script generate-metadata - Generate .script.yaml and .lock files
• wmill sync push - Deploy to Windmill

Use wmill resource-type list --schema to discover available resource types.

Java

The script must contain a Main public class with a public static main() method:

public class Main {
    public static Object main(String name, int count) {
        java.util.Map<String, Object> result = new java.util.HashMap<>();
        result.put("name", name);
        result.put("count", count);
        return result;
    }
}

Important:

• Class must be named Main
• Method must be public static Object main(...)
• Return type is Object or void

Maven Dependencies

Add dependencies using comments at the top:

//requirements:
//com.google.code.gson:gson:2.10.1
//org.apache.httpcomponents:httpclient:4.5.14

import com.google.gson.Gson;

public class Main {
    public static Object main(String input) {
        Gson gson = new Gson();
        return gson.fromJson(input, Object.class);
    }
}