Recursively display all 'csv' files in a list of directories

private static final String CONST_SUFFIX = "csv";
....
//method
for (String directoryPath : folders) {
if (Paths.get(directoryPath).toFile().isDirectory()) {
Files.list(Paths.get(directoryPath)).filter(Files::isRegularFile).forEach(path -> {
if(path.endsWith(CONST_SUFFIX) || path.toString().toLowerCase().endsWith(CONST_SUFFIX)){
System.out.println(path.getFileName());
}
});
}
}