docs: update README submission section and improve clarity

README.md

@@ -1,4 +1,4 @@
-# HW-09 — Advanced Multithreading
+# Ninth Assignment — Advanced Multithreading
 
 ![HW09 Image.png](HW09%20Image.png)
 
@@ -329,3 +329,15 @@ Implement **conditional waiting for insufficient funds**:
 > A correct solution is always more valuable than an optimized incorrect one.
 
 Start simple, ensure correctness, then improve concurrency and performance.
+
+---
+
+## Submission ⌛
+
+1. Add your mentor as a collaborator or reviewer on the repository.
+2. Create a `develop` branch (from `main`) for implementing features.
+3. Use Git for regular commits with meaningful commit messages.
+4. Push your code and the answers file (Answers.md) to the remote repository.
+5. Submit a pull request to merge the `develop` branch into `main`.
+
+**Deadline:** Friday, June 12 (22nd of Khordad)

src/main/java/dev/banking/DemoApplication.java

@@ -13,8 +13,6 @@ import java.util.concurrent.*;
  * - Building the system
  * - Running the simulation
  * - Managing lifecycle (threads, schedulers)
- *
- * This class replaces DemoFactory as a full runner.
  */
 public final class DemoApplication {
 

src/main/java/dev/banking/Main.java

@@ -4,7 +4,6 @@ package dev.banking;
  * Entry point of the application.
  *
  * IMPORTANT:
- * - Do NOT modify this file in student assignment.
  * - This is only a wrapper for running the demo.
  */
 public final class Main {

src/main/java/dev/banking/model/Transaction.java

@@ -2,8 +2,6 @@ package dev.banking.model;
 
 /**
  * Base class for all transaction types.
- *
- * Transactions are immutable and thread-safe.
  */
 public abstract class Transaction {