Initial data commit

Task/Queue-Usage/Delphi/queue-usage.delphi

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+program QueueUsage;
+
+{$APPTYPE CONSOLE}
+
+uses Generics.Collections;
+
+var
+  lStringQueue: TQueue<string>;
+begin
+  lStringQueue := TQueue<string>.Create;
+  try
+    lStringQueue.Enqueue('First');
+    lStringQueue.Enqueue('Second');
+    lStringQueue.Enqueue('Third');
+
+    Writeln(lStringQueue.Dequeue);
+    Writeln(lStringQueue.Dequeue);
+    Writeln(lStringQueue.Dequeue);
+
+    if lStringQueue.Count = 0 then
+      Writeln('Queue is empty.');
+  finally
+    lStringQueue.Free;
+  end
+end.