octet stream

A file stream is a stream of data that is an input and output object as an external memory file. The output file stream is the data that flows from memory to the external memory file, and the input file stream is the data that flows from the external memory file to memory. Each file

A stream is an abstract concept of a sequence of bytes.The file is the static storage form of the data, and the stream refers to the form of transmission.The flow class is divided into two categories: node stream class and Filter flow class (also called process Flow Class).The program is used to directly manipulate the target device's corresponding class called N

// Remember the data type that is used for output, // For example, DOS. writeint (100); write, read: DIS. readutf () sometimes has unexpected errors, so you must always remember what data type is used for data type output reading. // Datainputstream (binary input stream) Public class datainputstreamdemo { // Binary stream (read operation) Public static void main (string [] ARGs ){ Fileinputstream FCM = NUL

Label: style ar cti bs using Java SP file data Java defines two types of streams: byte streams and byte streams. Byte streams provide methods for processing the input and output of bytes. For example, when reading and writing binary data, byte streams are used. The character stream provides a convenient way to process character input and output. They use Unicode encoding, so they can be internationalized. Another point: At the bottom layer, All I/O

The choice of which object is a problem for many people when using IO streams. Answer the question by a sequence of judgments and cases.First, introduce a brief introduction to the flowStream can be divided into character stream and byte stream typeThe byte stream corresponds to Inputsteam (input stream) and OutStream

7. Document Stream-related and Document Stream 1. What is a document stream? A document flow shows the position occupied by objects in a document. In other words, the form is divided from top to bottom into one row, and the elements are discharged from left to right in each row, that is, the document flow. (you can understand the order of the document from start

Reader,inputstream is used to read the contents of a resource, which can be a file or a networkFirst, there is a TXT file, the contents of the file are as followsFile F = new files ("path"); FileInputStream fis = new FileInputStream (f);//create an input stream, read the contents of F into the program to//SYSTEM.OUT.PRINTLN (Fis.read ()); byte[] B = new byte[1024];//defines an array that holds the read class tolerance int hasread = 0;//used to record

Random Access stream:　　The Randomaccessfile class does not belong to a stream and is a subclass of the object class.But it incorporates the functions of InputStream and OutputStream.　　Support for random access to files read and write.Public Randomaccessfile (String name,string mode): The first parameter is the file path, the second parameter is the mode of the action filemode: parameter specifies the access

Java IO stream (byte Stream)Copying files//Copying Files//using byte streams//copy text file with character stream, copy other format file with byte streamImportJava.io.*; public classindex{ public Static voidMain (string[] Args)throwsexception{//character Stream mode//FileReader FZ = new FileReader ("e:/1.txt"); //Fil

BYTE buffer streamWhy use wrapper flows, which are used to improve the performance of read and write operations. public class Packing_flowdemo {public static void main (string[] args) throws Exception {File File = new file ("File/packing _flow.txt ");//The notation of the wrapper stream, the buffer memory size. 1024*8=8192 (byte)//bufferedoutputstream packing = new Bufferedoutputstream (new FileOutputStream (file, True));// Packing.write ("Hello ever

打印流的概述打印流The ability to add output data makes it easy to print various data value representations.The print flow is categorized according to the flow:Never throw an IO exceptionL byte print stream printstreamL character Print stream printwriterL Method:void print (String str): Outputs any type of data,void println(String str): Outputs any type of data, automatically writes a line-break operationL Code Demo:

Label:1. Random Access Stream Randomaccessfile The Randomaccessfile class does not belong to a stream and is a subclass of the object class. But it incorporates the functions of InputStream and OutputStream. Supports read and write to random access files. Randomaccessfile Method of Construction: Construction Method Summary RandomAccessFile(Filefile, Stringmode)Creates a rando

Buffer stream of java IO stream (reprinted), javaioJava buffer streams do not provide IO functions. They only increase efficiency by adding buffering to other streams, such as packaging other streams. When files or other targets are frequently read or written, the efficiency is low and the efficiency is poor. In this case, the buffer stream can be used to read an

In Java, flow is a very important concept. The concept of stream is derived from the concept of piping (pipe) in Unix. In Unix, a pipeline is an uninterrupted stream of bytes used to communicate between programs or processes, or to read and write peripherals, external files, and so on. According to the direction of the flow can be divided into the input and output streams, but also on the periphery of othe

. NET Framework uses stream models in multiple fields of the framework. Stream is an abstraction that allows you to treat different data sources in a similar way (as a sequential byte stream. All. Net stream classes inherit from the system. Io. Stream class. A

java io is a very basic knowledge point in Java, and it should be used frequently for communication and project Java IO that do not involve databases. Java io is divided into byte stream and character stream, distinguishing between byte stream and character stream is the starting point of mastering Java IO. The byte

The concept of flow (stream) originates from the concept of pipeline (pipe) in Unix. In Unix, pipelines are an uninterrupted stream of bytes used to communicate between programs or processes, or to read and write peripherals, external files, and so on. According to the direction of the flow can be divided into input and output streams, while the other can be set on the periphery of the flow, such as buffer

In Java, streaming is a very important concept. The concept of flow (stream) originates from the concept of pipeline (pipe) in Unix. In Unix, pipelines are an uninterrupted stream of bytes used to communicate between programs or processes, or to read and write peripherals, external files, and so on. According to the direction of the flow can be divided into input and output streams, while the other can be

One, standard output stream System.outSystem.out output data to standard output devices in a number of ways:The main difference between print () and println () is that the latter output is not a career change, printf () is mainly formatted outputOne, standard input stream system.inSystem.in reads standard input device data (obtains data from standard input, usually keyboard) int read ()//returns ASCII code.

Unit unit1; interfaceuses windows, messages, sysutils, variants, classes, graphics, controls, forms, dialogs, stdctrls; Type tform1 = Class (tform) memo1: tmemo; button1: tbutton; button2: tbutton; button3: tbutton; Procedure submit (Sender: tobject ); procedure button3click (Sender: tobject); end; var form1: tform1; implementation {$ R *. DFM} var mstream: tmemorystream; Procedure tform1.formcreate (Sender: tobject );// Program Create a file var strlist: tstringlist; begin strlist: = tstringlis