try with resources

try (FileInputStream fis = new FileInputStream(newFile)) {
            System.out.println("fis");
            System.out.println(fis.read()); //prints 77
            int content;
            while ((content = fis.read()) != -1) {
                System.out.print((char) content);
            }
            fis.close();
        }
        catch (IOException e){
            e.printStackTrace();
        }