import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
public class ObtainScriptEngine {
public static void main(String[] args) {
ScriptEngineManager manager = new ScriptEngineManager();
ScriptEngine engine1 = manager.getEngineByExtension("js");
System.out.println(engine1);
ScriptEngine engine2 = manager
.getEngineByMimeType("application/javascript");
System.out.println(engine2);
ScriptEngine engine3 = manager.getEngineByName("rhino");
System.out.println(engine3);
}
}