import java.util.zip.CheckedInputStream;
import java.util.zip.CRC32;
import java.io.*;

public class ChecksumByteArrayCRC{
	public static void main(String[] args){
		try{ 
			String string = new String("A" + "\u00ea" + "\u00f1" + "\u00fc" + "C");
			System.out.println("The data size is " + string.length()); 
			byte buffer[] = string.getBytes();
			ByteArrayInputStream bais = new ByteArrayInputStream(buffer);
			CheckedInputStream cis = new CheckedInputStream(bais, new CRC32());
			byte readBuffer[] = new byte[5];
			while (cis.read(readBuffer) >= 0){
				long value = cis.getChecksum().getValue();
				System.out.println("The value of checksum is " + value);
			}
		}
		catch(Exception e){
			System.out.println("Exception has been caught" + e);
		}
	}
}