E4X.java

import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;

public class E4X {
    public static void main(String[] args) {
        System.out.println("E4X: " + System.getProperty("nashorn.lexer.xmlliterals"));

        ScriptEngineManager manager = new ScriptEngineManager();
        ScriptEngine engine = manager.getEngineByName("js");
        try {
            engine.eval("<xml>xml</xml>");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}