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ZipTest03.java
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.zip.Checksum;
import java.util.zip.CheckedInputStream;
import java.util.zip.CRC32;
public class ZipTest03{
public static void main(String[] args) throws IOException{
FileInputStream file = new FileInputStream(args[0]);
CheckedInputStream check = new CheckedInputStream(file, new CRC32());
BufferedInputStream in = new BufferedInputStream(check);
while(in.read() != -1){ }
System.out.println("Checksum is " + check.getChecksum().getValue());
}
}
C:\util>javac ZipTest03.java
C:\util>java ZipTest03 ZipTest01.zip
Checksum is 1730280550
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