java.util.zip.CRC32.update( int b ) Method Example

Description

The java.util.zip.CRC32.update(int b) method updates the checksum with the specified byte (the low eight bits of the argument b).

Declaration

Following is the declaration for java.util.zip.CRC32.update(int b) method.

public void update(int b)

Parameters

• b − the byte to update the checksum with.

Example

The following example shows the usage of java.util.zip.CRC32.update(byte[] b) method.

package com.tutorialspoint;

import java.util.zip.CRC32;
import java.util.zip.Checksum;

public class CRC32Demo {
   public static void main(String[] args) {
      int bytes = 55;

      Checksum checksum = new CRC32();
      checksum.reset();       

      checksum.update(bytes);
      long checksumValue = checksum.getValue();

      System.out.println("CRC32 checksum :" + checksumValue);
   }
}

Let us compile and run the above program, this will produce the following result −

CRC32 checksum :1790921346