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How to get ScriptEngine by engine name?

This example shows how to get an instance of ScriptEngine by the engine name. Below we are trying to obtain the JavaScript ScriptEngine.

package com.javacoderanch.example.script;

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

public class GettingScriptEngineByName {
    public static void main(String[] args) {
        ScriptEngineManager manager = new ScriptEngineManager();

        // Obtain an instance of ScriptEngine using the engine name. For
        // example we get a JavaScript ScriptEngine instance.
        ScriptEngine engine = manager.getEngineByName("JavaScript");

        try {
            engine.eval("print('Hello World');");
        } catch (ScriptException e) {