import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
public class Main {
public static void main(String[] args) throws Exception{
String destinationname = "d:\\";
byte[] buf = new byte[1024];
ZipInputStream zipinputstream = null;
ZipEntry zipentry;
zipinputstream = new ZipInputStream(new FileInputStream("fileName"));
zipentry = zipinputstream.getNextEntry();
while (zipentry != null) {
String entryName = zipentry.getName();
FileOutputStream fileoutputstream;
File newFile = new File(entryName);
String directory = newFile.getParent();
if (directory == null) {
if (newFile.isDirectory())
break;
}
fileoutputstream = new FileOutputStream(destinationname + entryName);
int n;
while ((n = zipinputstream.read(buf, 0, 1024)) > -1){
fileoutputstream.write(buf, 0, n);
}
fileoutputstream.close();
zipinputstream.closeEntry();
zipentry = zipinputstream.getNextEntry();
}
zipinputstream.close();
}
}