（ FileInputStream ）下面关于 FileInputStream 类型说法正确的是：

实现字符流的写操作类是(),实现字符流的读操作类是() A: Writer、FileReader B: Writer、FileInputStream C: FileInputStream、Writer D: FileInputStream、FileOutputStream

下列哪个选项定义了带有缓存的文件字节输入流 A: BufferedInputStream bis = new BufferedInputStream(new FileInputStream(...)); B: BufferedOutputStream bos = new BufferedOutputStream(new FileInputStream(...)); C: FileInputStream fis = new FileInputStream(new BufferedInputStream(...)); D: FileOutputStream fis = new FileOutputStream(new BufferedOutputStream(...));

‍FileInputStream类是InputStream类的子类。‏

中国大学MOOC: （读写文件）下列语句执行时，若文件”customer.dat”不存在，则会产生的异常是________。FileInputStream fis = new FileInputStream(“customer.dat”);

【单选题】阅读下段代码 import java.io.*; public class Example{ public static void main(String[] args) throws Exception { FileInputStream fis = new FileInputStream("file.txt"); FileOutputStream fos = n

​要读一个较大的文件，下列创建对象的方法中哪个是最合适的？（ ）‍ A: new FileInputStream(“myfile.dat”); B: new InputStreamReader(new FileInputStream(“myfile.dat”)); C: new BufferedReader(new InputStreamReader(new FileInputStream(“myfile.dat”); D: new RandomAccessFile raf=new RandomAccessFile(new File(“myfile.dat”,”rw”));

以下选项中,哪个是FileInputStream的父类( )

序列化用到哪种Stream（） A: FileInputStream B: ObjectInpuStream C: ByteArrayInputStream

FileInputStream按字节读取文件，FileReader按字符读取文件