import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
public class Main {
public static void main(String[] argv) throws Exception {
ZipFile zf = new ZipFile("filename.zip");
for (Enumeration entries = zf.entries(); entries.hasMoreElements();) {
String zipEntryName = ((ZipEntry) entries.nextElement()).getName();
}
}
}