【Java】【IO流】FileInputStream

IO流（FileInputStream）

public class Demo1_IO {

    public static void main(String[] args) throws Exception {
        FileInputStream fis = new FileInputStream("README.md");
        int b = 0;
        while ((b = fis.read()) != -1) {
            System.out.println(b);
        }
        fis.close();
    }

}