To do so first read the file as InputStream using FileInputStream. First, if there is a security manager, its checkRead method is called with the name argument as its argument. A new FileDescriptor object is created to represent this file connection. Creates a FileInputStream by opening a connection to an actual file, the file named by the path name OutputStreamWriter is a class in java.io class that is useful for the conversion of character stream into a byte stream. In this example, we will learn to load a file as an input stream using the FileInputStream class in Java. This means the file descriptor held by OutputStream will never release causing a resource leak in the Java program. File file = new File (getCacheDir (), userEmalFileName) FileInputStream fileInputStream = new FileInputStream (file) 1.2.3 Write File To The Package files Folder. BufferedReader FileInputStream Files Scanner RandomAccessFile Reading Binary Files vs Text Files. " FileInputStream: "A FileInputStream obtains input bytes from a file in a file system. Syntax public void close () throws IOException If this stream has an associated channel then the channel is closed as well. 虽然内部FileReader使用FileInputStream而FileWriter使用FileOutputStream,但主要区别在于FileReader一次读取两个字节.
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