Added REPORT.md for the theoretical questions

Finished ProgressMonitor, DownloadWorker and Main classes.

src/main/java/Main.java

@@ -34,48 +34,34 @@ public class Main {
 
             workerThreads.add(workerThread);
 
-            // TODO:
-            // Students may print helpful debug information here,
-            // for example which chunk is assigned to which worker thread.
+            System.out.println("Chunk with id: " + chunk.getChunkId() + " is assigned to Thread: " + workerThread.getName());
         }
 
         // 4. Create and start monitor thread
         ProgressMonitor monitor = new ProgressMonitor(config, chunks);
         Thread monitorThread = new Thread(monitor, "Progress-Monitor");
 
-        // TODO:
-        // Start the monitor thread before starting the workers
-        // so that progress can be displayed while downloading happens.
-        //
-        // Example idea:
-        // monitorThread.start();
+        // 5. Start worker threads & monitor thread
 
-        // 5. Start worker threads
-        // TODO:
-        // Start each worker thread in workerThreads.
-        // Use a loop and call start() on each thread.
+        monitorThread.start();
+        for (Thread workerThread : workerThreads){
+            workerThread.start();
+        }
 
-        // 6. Wait for workers to finish
-        // TODO:
-        // Wait for all worker threads to complete by calling join().
-        // This should be done inside a try-catch block for InterruptedException.
-        //
-        // Hint:
-        // for (Thread thread : workerThreads) {
-        //     thread.join();
-        // }
+        // 6. Wait for the workers to finish
+        for (Thread workerThread : workerThreads){
+            try {
+                workerThread.join();
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+        }
 
-        // TODO:
-        // After all workers finish, the monitor thread may also need to stop.
-        // Depending on how ProgressMonitor is implemented, students may:
-        // - wait for it to finish on its own, or
-        // - add a stopping mechanism in ProgressMonitor later.
-        //
-        // If your monitor finishes automatically, you may join it here.
-
-        // NOTE:
-        // this final report may show 0 progress because no worker has actually run yet.
-        // Until students complete the thread start/join TODOs above,
+        try {
+            monitorThread.join();
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
 
         // 7. Print final report
         System.out.println();