2018-9-1 · BufferedInputStream BufferedInputStream是一个缓冲输入流，继承的是FilterInputStream。FilterInputStream包含了另一个InputStream作为它的基础数据源，并且FilterInputStream重写了InputStream的所有方法。

一、BufferedInputStream 构造器（入参必须有InputStream ） public class BufferedInputStream extends FilterInputStream{ private static int DEFAULT_BUFFER_SIZE = 8192; private static int MAX_BUFFER_SIZE = Integer.MAX_VALUE - 8; // 缓冲数组 系统学习 Java IO (九)----缓冲流 … 2018-11-24 · BufferedInputStream(InputStream in, int size) ： 创建具有指定缓冲区大小的 BufferedInputStream 并保存其参数，即输入流 in，以便将来使用。 例子： InputStream input1 = new BufferedInputStream(new FileInputStream("D:\\test.txt")); int bufferSize = 8 * 1024; Java IO类库之BufferedInputStream - 老韭菜的个 … 2018-7-17 · private static final AtomicReferenceFieldUpdater bufUpdater = AtomicReferenceFieldUpdater.newUpdater(BufferedInputStream.class, byte[].class, "buf"); 缓存数组的原子更新器，该成员变量与buf数组的volatile关键字共同组成了buf数组的原子更新功能的实现 A BufferedInputStream adds functionality to another input stream-namely, the ability to buffer the input and to support the mark and reset methods. When the BufferedInputStream is created, an internal buffer array is created. As bytes from the stream are read or skipped, the internal buffer is refilled as necessary from the contained input

Java BufferedInputStream …

Aug 30, 2012 · Here is another example to show how to read a file in Java with BufferedInputStream and DataInputStream classes. The readLine() from the type DataInputStream is deprecated. Sun officially announced this method can not convert property from bytes to characters. BufferedStream can be composed around certain types of streams. It provides implementations for reading and writing bytes to an underlying data source or repository. Use BinaryReader and BinaryWriter for reading and writing other data types. Using BufferedInputStream to read an existing file called "TextBook.txt" through its path D:\\TextBook.txt. Let's say the contents of this file TextBook.txt are - Hello there. How are you doing? //Program to create a BufferedInputStream to read(one byte at a time) out of an existing file. The BufferedInputStream class is a classical example of a buffered wrapper. It wraps the InputStream class. It wraps the InputStream class. It reads data from the original InputStream in large blocks into a buffer, and then pulls it out of the buffer piece-by-piece as we read from it."

JAVA中mark()和reset()用法 - Together, - 博客园

Java.io.BufferedInputStream.read() Method - Tutorialspoint 2020-7-22 · Description. The java.io.BufferedInputStream.read() method reads the next byte of data from the input stream.. Declaration. Following is the declaration for java.io.BufferedInputStream.read() method.. public int read() Parameters. NA. Return Value. … JAVA IO - ByteArrayInputStream … 2012-3-29 · ByteArrayInputStream和BufferedInputStream内部都维护着一个byte[]类型的数组，并且也都有mark()， reset(), skip()这样的方法，那么它们的区别是什么呢？通过看源码可以发现1. 构造 BufferedInputStream(缓冲输入流)详解_动力节 …