question: @ Override protected void addChooserFilters ( JFileChooser chooser ) { javax . swing . filechooser . FileNameExtensionFilter filter = new javax . swing . filechooser . FileNameExtensionFilter ( Bundle . getMessage ( "FileFilterLabel" , "*.dfm, *.hex" ) , "dmf" , "hex" ) ; chooser . addChoosableFileFilter ( new javax . swing . filechooser . FileNameExtensionFilter ( "Digitrax Mangled Firmware (*.dmf)" , "dmf" ) ) ; chooser . addChoosableFileFilter ( new javax . swing . filechooser . FileNameExtensionFilter ( "Intel Hex Format Firmware (*.hex)" , "hex" ) ) ; chooser . addChoosableFileFilter ( filter ) ; chooser . setFileFilter ( filter ) ; }
target:  Add filter(s) for possible types to the input file chooser.