Javazip 简明教程

java.util.zip - Adler32 Class

Introduction

java.util.zip.Adler32 类是一个类，可用于计算数据流的 Adler-32 校验和。Adler-32 校验和几乎与 CRC-32 一样可靠，但计算速度要快得多。

The java.util.zip.Adler32 class is a class that can be used to compute the Adler-32 checksum of a data stream. An Adler-32 checksum is almost as reliable as a CRC-32 but can be computed much faster.

Class Declaration

这是 java.util.zip.Adler32 类声明 −

Following is the declaration for java.util.zip.Adler32 class −

public class Adler32
   extends Object
      implements Checksum

Constructors

Sr.No.

Constructor & Description

Adler32() Creates a new Adler32 object.

Class Methods

Sr.No.	Method & Description
1	long getValue()Returns the checksum value.
2	void reset() Resets the checksum to initial value.
3	void update(byte[] b)Updates the checksum with the specified array of bytes.
4	void update(byte[] b, int off, int len)Updates the checksum with the specified array of bytes.
5	void update(int b)Updates the checksum with the specified byte (the low eight bits of the argument b).

Methods Inherited

此类从以下类中继承方法：

This class inherits methods from the following classes −

java.lang.Object