java.util.zip. CRC32.update1() 方法示例

package com.codingdict;

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

public class CRC32Demo {

   public static void main(String[] args) {
      String message = "Welcome to codingdict.com";
      byte bytes[] = message.getBytes();
      Checksum checksum = new CRC32();
      checksum.reset();       
      checksum.update(bytes,0,bytes.length);
      long checksumValue = checksum.getValue();
      System.out.println("CRC32 checksum :" + checksumValue);
   }
}