void (String[] args) { try { throwStuff(); } catch (IOException ioe) { System.out.println("ERROR:" + ioe.getMessage()); System.exit(1); } catch (NumberFormatException nfe) { System.out.println("ERROR 2:" + nfe.getMessage()); System.exit(1); } <warning descr="'catch' branch identical to 'IOException' branch">catch (IllegalArgumentException i<caret>ae)</warning> { System.out.println("ERROR:" + iae.getMessage()); System.exit(1); } }