упорядочил папки с кодом.

src/Repository/Server/ServerExchangeUnit_2021.java

@@ -1,41 +0,0 @@
-package Repository.Server;
-import Common.Utils.Utils;
-
-import java.io.File;
-import java.io.Serializable;
-public class ServerExchangeUnit_2021 implements Serializable {
-    public String codeName;
-    public String arg;
-    public Serializable object;
-    //--------
-    public ServerExchangeUnit_2021(ServerCode code_in, String arg_in, Serializable object_in) {
-        codeName = code_in.toString();
-        arg = arg_in;
-        object = object_in;
-    }
-    public ServerExchangeUnit_2021(ServerCode code_in, String arg_in) {
-        codeName = code_in.toString();
-        arg = arg_in;
-        object = null;
-    }
-    public ServerExchangeUnit_2021(ServerCode code_in) {
-        codeName = code_in.toString();
-        arg = null;
-        object = null;
-    }
-    //--------
-    public ServerCode getCode() throws Exception {
-        return ServerCode.valueOf(codeName);
-    }
-    //--------
-    public void Unpack() throws Exception {
-        Utils.unpackFile((byte[]) object, new File(arg));
-    }
-    public void Unpack(File file) throws Exception {
-        Utils.unpackFile((byte[]) object, file);
-    }
-    public void Print() {
-        System.out.println("codeName=" + Utils.Brackets(codeName));
-        System.out.println(arg);
-    }
-}