Editing Comparison of C Sharp and Java (section)

====Traditional way====
<syntaxhighlight lang="java" style="font-size:90%">
// Initialize the engine
var invocable = new ScriptEngineManager().getEngineByName("jruby");
var rubyFile = new FileReader("Deepthought.rb");
engine.eval(fr);
</syntaxhighlight>

<syntaxhighlight lang="java" style="font-size:90%">
// create a new instance of "Deepthought" calculator
var calcClass = engine.eval("Deepthought");
var calc = invocable.invokeMethod(calcClass, "new");

// set calculator input values
invocable.invokeMethod(calc, "a=", 6);
invocable.invokeMethod(calc, "b=", 7);

// calculate the result
var answer = invocable.invokeMethod(calc, "Calculate");
</syntaxhighlight>

|valign=top|<syntaxhighlight lang="csharp" style="font-size:90%">
// Initialize the engine

var runtime = ScriptRuntime.CreateFromConfiguration();
dynamic globals = runtime.Globals;

runtime.ExecuteFile("Deepthought.rb");
</syntaxhighlight>

<syntaxhighlight lang="csharp" style="font-size:90%">
// create a new instance of "Deepthought" calculator
var calc = globals.Deepthought.@new();

// set calculator input values
calc.a = 6;
calc.b = 7;

// calculate the result
var answer = calc.Calculate();
</syntaxhighlight>

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Notes for the Java implementation:
* Ruby accessors names are generated from the attribute name with a {{code|{{=}}}} suffix. When assigning values, Java developers must use the Ruby accessor method name.
* Dynamic objects from a foreign language are not first-class objects in that they must be manipulated through an API.
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Notes for the C# implementation:
* Objects returned from properties or methods of {{mono|dynamic}} objects are themselves of {{mono|dynamic}} type. When type inference (the {{mono|var}} keyword) is used, the variables calc and answer are inferred dynamic/late-bound.
* Dynamic, late-bounds objects are first-class citizens that can be manipulated using C# syntax even though they have been created by an external language.
*{{mono|new}} is a reserved word. The {{code|@}} prefix allows keywords to be used as identifiers.

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