import javax.script.*;
public class js {
    public static void main(String[] args) throws Exception {
        // create a script engine manager
        ScriptEngineManager factory = new ScriptEngineManager();
        // create a JavaScript engine
        ScriptEngine engine = factory.getEngineByName("JavaScript");
        // evaluate JavaScript code from String
        // engine.eval("print('Hello, World')");
		// evaluate JavaScript code from given file - specified by first argument
		engine.eval(new java.io.FileReader(args[0]));
    }
}