question: public void launch ( ) throws Exception { if ( ! CheckBcel . check ( ) ) { System . exit ( 1 ) ; } int launchProperty = getLaunchProperty ( ) ; if ( GraphicsEnvironment . isHeadless ( ) || launchProperty == TEXTUI ) { FindBugs2 . main ( args ) ; } else if ( launchProperty == SHOW_HELP ) { ShowHelp . main ( args ) ; } else if ( launchProperty == SHOW_VERSION ) { Version . main ( new String [ ] { "-release" } ) ; } else { Class < ? > launchClass = Class . forName ( "edu.umd.cs.findbugs.gui2.Driver" ) ; Method mainMethod = launchClass . getMethod ( "main" , args . getClass ( ) ) ; mainMethod . invoke ( null , ( Object ) args ) ; } }
target:  Launch the appropriate UI.