(init): Starting the project

src/main/java/DownloadWorker.java

@@ -0,0 +1,43 @@
+import java.util.Random;
+
+/**
+ * Simulates downloading a single chunk of a file.
+ *
+ * <p>This class is intentionally provided as a skeleton for students.
+ * The main multithreading and simulation logic should be completed
+ * in the run() method.</p>
+ */
+public class DownloadWorker implements Runnable {
+
+    private final ChunkStatus chunkStatus;
+    private final DownloadConfig config;
+    private final Random random;
+
+    public DownloadWorker(ChunkStatus chunkStatus, DownloadConfig config) {
+        this.chunkStatus = chunkStatus;
+        this.config = config;
+        this.random = new Random();
+    }
+
+    @Override
+    public void run() {
+        // TODO: Record the chunk start time in chunkStatus.
+        double downloaded = 0.0;
+
+        // TODO: Print a message that this chunk has started downloading.
+
+        while (downloaded < chunkStatus.getChunkSizeMB()) {
+            // TODO: Generate a random sleep delay between min and max delay.
+            // TODO: Sleep for that delay.
+            // TODO: Generate a random download amount for this step.
+            // TODO: Increase downloaded, but do not go beyond chunk size.
+            // TODO: Save the updated downloaded value into chunkStatus.
+            // TODO: Optionally print step-by-step progress.
+        }
+
+        // TODO: Mark the chunk as completed.
+        // TODO: Record the chunk end time in chunkStatus.
+        // TODO: Print a message that this chunk has finished downloading.
+    }
+
+}