Java, showing script engines

import javax.script.ScriptEngineManager;
import javax.script.ScriptEngineFactory;
import java.util.List;
 
public class ListEngines {
    public static void main(String[] args){
	ScriptEngineManager manager = new ScriptEngineManager();
	List <ScriptEngineFactory> engines = manager.getEngineFactories();
	for(ScriptEngineFactory engine: engines){
		String name = engine.getEngineName();
		String lang = engine.getLanguageName();
		String ver = engine.getLanguageVersion();
		System.out.println(name+" "+lang+" "+ver);
	}
    }
}