System.out.println("1. Uppercase (-u)"); System.out.println("2. Lowercase (-l)"); System.out.println("3. TitleCase (-t)"); System.out.println(""); System.out.println("Enter your action and string i.e. -u ''Hello World'' "); // Used for listening to input BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String Choice = null; // need to use try/catch with the // readLine() method try { Choice = br.readLine(); } catch (IOException ioe) { System.out.println("IO error Dont know what ...