code for all Script Engines

import java.util.List;

import javax.script.ScriptEngineFactory;
import javax.script.ScriptEngineManager;

public class ListEngineFactoryDemo {

public static void main(String[] args) {
// create ScriptEngineManager
ScriptEngineManager manager = new ScriptEngineManager();
List factoryList = manager.getEngineFactories();
for (ScriptEngineFactory factory : factoryList) {
System.out.println(factory.getEngineName());
System.out.println(factory.getLanguageName());
}
}
}
//Mozilla Rhino
//ECMAScript