import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
public class Main {
public static void main(String[] args) throws Exception {
ZipFile zf = new ZipFile("your.zip");
Enumeration e = zf.entries();
while (e.hasMoreElements()) {
ZipEntry ze = (ZipEntry) e.nextElement();
String name = ze.getName();
long crc = ze.getCrc();
System.out.println("Its CRC is " + crc);
String comment = ze.getComment();
if (comment != null && !comment.equals("")) {
System.out.println(comment);
}
if (ze.isDirectory()) {
System.out.println(name + " is a directory");
}
}
}
}