The bytes package provides a series of functions for reading and writing byte slicesThe function of byte slicing is more, it is divided into basic processing function, comparison function, suffix check function, index function, partition
In java, the difference between write (byte [] B) and write (byte [] B, int off, int len) is: bytelen
Upload files or images to a project
Private static final int BUFFER_SIZE = 16*1024;
Private static void copy (File src, File dst ){
Try
Document directory
Main methods and constants in the file class
Procedure
Byte output stream: outputstream
Byte input stream: inputstream
Character output stream: writer
Character input stream: Reader
File class
In the entire Io package,
Byte order and size end, byte order size endWhy is there a byte order problem?
1. memory uses 8 bits as an address unit: the early processor address uses 8 bits as a unit (8-bit processor). That is to say, 8 bits of data can be accessed at a time,
Java IO stream byte stream, java IO stream byteI. Common file Operations
File file = new File ("E: \ test \ javaIo"); System. out. println (file. isDirectory (); // determines whether the file is a directory (if the file does not exist, false is
when you want to convert the size-end byte-order.
Send and receive data through the socket (on Intel's processor)
When you want to convert the size-end byte-order.
For example, send an int type of data out, do not convert.
Or both ends, you don'
Java-based inputstream. Read (byte [] B, int off, int Len) algorithm Learning
public int read(byte[] b, int off, int len) throws IOException
Maximum number of input streams
lenData bytes are read into
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