Utils class: compression string gzip
import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.util.zip.GZIPInputStream; import java.util.zip.GZIPOutputStream; public class Compression { public static byte compress(String paramString) throws IOException { ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(paramString.length()); GZIPOutputStream gzipOutputStream =…