!7

sclass SystemVersion extends DynTextArea {
  void start {
    setText(linesLL(
      "Java version: " + javaVersion(),
      "JavaX version: " + javaxVersion(),
      "Stefan's OS version: " + formatTranspilationDate(creator())
    );
  }
  
  JComponent visualize() {
    ret centerAndSouth(super.visualize(),
      withMargin(jcenteredbuttons("Upgrade JavaX", disableAllButtonsWhileCalcing(r {
        _run(#1001639);
        dm_restartOS()
      }), "Upgrade Stefan's OS", r dm_restartOS)));
  }
}