test

while(readFile.hasNextLine()){
            currentRow = readFile.nextLine();
            for (int i = 0; i < currentRow.length(); i++) {
               ascii = (int) currentRow.charAt(i);
               ascii += 3;
               newchar = (char) ascii;
               builder.insert(i,newchar);
               newRow = builder.toString();
               printer.write(newRow);
            }
        }