import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
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("a.zip");
Enumeration files = zf.entries();
while (files.hasMoreElements()) {
ZipEntry ze = files.nextElement();
System.out.println("Decompressing " + ze.getName());
System.out.println(" Compressed Size: " + ze.getCompressedSize()
+ " Expanded Size: " + ze.getSize() + "\n");
BufferedInputStream fin = new BufferedInputStream(zf.getInputStream(ze));
BufferedOutputStream fout = new BufferedOutputStream(
new FileOutputStream(ze.getName()));
int i;
do {
i = fin.read();
if (i != -1)
fout.write(i);
} while (i != -1);
fout.close();
fin.close();
}
zf.close();
}
}