- public void println(String format, Object... args) throws IOException {
- final String message = MessageFormatter.arrayFormat(format, args).getMessage();
-
- writer.write(message);
- writer.write(System.lineSeparator());
- writer.flush();
+ public void println(String format, Object... args) {
+ final var message = MessageFormatter.arrayFormat(format, args).getMessage();
+
+ try {
+ writer.write(message);
+ writer.write(System.lineSeparator());
+ writer.flush();
+ } catch (IOException e) {
+ throw new AssertionError(e);
+ }