Swing does its own font rendering, so the fonts look wrong[0] on every platform.
[0] Where "wrong" means "different from what is expected on the platform" – until we get higher-resolution screens font rendering is a compromise between sharpness and correctness-of-shape; different platforms make different choices; users adjust to the specific choices their platform has made. To observe this in the wild, read any discussion of Safari on Windows.
[0] Where "wrong" means "different from what is expected on the platform" – until we get higher-resolution screens font rendering is a compromise between sharpness and correctness-of-shape; different platforms make different choices; users adjust to the specific choices their platform has made. To observe this in the wild, read any discussion of Safari on Windows.