import com.fscript.FScriptEngine; import com.fscript.FScriptEngineFactory; public class FScriptExample { public static void main(String[] args) throws Exception { FScriptEngineFactory factory = new FScriptEngineFactory(); FScriptEngine engine = factory.getEngineByName("FScript"); String script = "def square(x) { x * x; }"; engine.eval(script); int result = (int) engine.invokeFunction("square", 5); System.out.println("Square of 5 is: " + result); } }