Client and backend. Every class listed here is shared: the same code is compiled into your app and into your server. The package's page in the client API lists all of it, including any classes that exist only in the app.

package java.util.zip

Types

class Adler32
class CRC32
class CheckedInputStream
class CheckedOutputStream
interface Checksum
class DataFormatException
class Deflater
class DeflaterOutputStream
class GZIPInputStream
class GZIPOutputStream
class Inflater
class InflaterInputStream
class ZipEntry
class ZipException
class ZipInputStream
class ZipOutputStream