Slightly tweaked demo programs for clarity.

cpp/QrCodeGeneratorDemo.cpp

@@ -187,7 +187,7 @@ static void doMaskDemo() {
 
 /*---- Utilities ----*/
 
-// Prints the given QR Code to the console.
+// Prints the given QrCode object to the console.
 static void printQr(const QrCode &qr) {
 	int border = 4;
 	for (int y = -border; y < qr.getSize() + border; y++) {

java/io/nayuki/qrcodegen/QrCodeGeneratorDemo.java

@@ -62,7 +62,8 @@ public final class QrCodeGeneratorDemo {
 		ImageIO.write(img, "png", imgFile);              // Write image to file
 		
 		String svg = qr.toSvgString(4);                  // Convert to SVG XML code
-		Files.write(new File("hello-world-QR.svg").toPath(),
+		File svgFile = new File("hello-world-QR.svg");   // File path for output
+		Files.write(svgFile.toPath(),                    // Write image to file
 			svg.getBytes(StandardCharsets.UTF_8));
 	}