import org.vcssl.nano.interconnect.ScriptLoader;

...
public static void main(String[] args) throws VnanoException {

	// Create a scripting engine of Vnano (= Vnano Engine).
	VnanoEngine engine = new VnanoEngine();

	// Load library scripts from files.
	ScriptLoader scriptLoader = new ScriptLoader("UTF-8");
	scriptLoader.setLibraryScriptListPath("./lib/VnanoLibraryList.txt");
	scriptLoader.load();

	// Register library scripts to Vnano Engine.
	String[] libPaths = scriptLoader.getLibraryScriptPaths(true);
	String[] libScripts = scriptLoader.getLibraryScriptContents();
	int libCount = libScripts.length;
	for (int ilib=0; ilib<libCount; ilib++) {
		engine.registerLibraryScript(libPaths[ilib], libScripts[ilib]);
	}

	// Prepare the content of the script to be executed.
	String script =

		" float value = 1.2 + f(x); " +
		" value;                      " ;

	// Execute a scriptby Vnano Engine.
	double result = (Double)engine.executeScript(script);
	System.out.println("result: " + result);
}