Generate PNG barcode

How to generate PNG barcodes in Java using the zxing library:

Using the zxing library in the pom:

<dependency>
    <groupId>com.google.zxing</groupId>
    <artifactId>core</artifactId>
    <version>3.3.2</version>
</dependency>
<dependency>
    <groupId>com.google.zxing</groupId>
    <artifactId>javase</artifactId>
    <version>3.3.2</version>
</dependency>

it is possible to generate a PNG barcode in various formats like this:

Path barcode = tempDirectory.resolve("barcode.png");
BitMatrix bitMatrix = new Code39Writer().encode("data", BarcodeFormat.CODE_39, 204, 70);
MatrixToImageWriter.writeToPath(bitMatrix, "png", barcode);