Packer packer = MsgPack.newDefaultPacker(outputStream); packer.packString("Hello, MsgPack!"); packer.packInt(42); packer.packArrayHeader(2); packer.packBoolean(true); packer.packNil(); packer.flush(); Unpacker unpacker = MsgPack.newDefaultUnpacker(inputStream); String message = unpacker.unpackString(); int number = unpacker.unpackInt(); int arraySize = unpacker.unpackArrayHeader(); boolean flag = unpacker.unpackBoolean(); Object nil = unpacker.unpackNil(); Config config = new Config(); config.setWithDateType(true); Packer packer = MsgPack.newDefaultPacker(outputStream, config); Config config = new Config(); config.setDepth(10); Unpacker unpacker = MsgPack.newDefaultUnpacker(inputStream, config);