theme changed

labs/lab8/MyClass/Item.cs

@@ -0,0 +1,55 @@
+using System; 
+
+abstract class Item : IComparable
+{
+    protected long invNumber;
+    protected bool taken;
+
+    public Item(long invNumber, bool taken)
+    {
+        this.invNumber = invNumber;
+        this.taken = taken;
+    }
+
+    public Item()
+    {
+        this.taken = true;
+    }
+
+    public bool IsAvailable()
+    {
+        return taken;
+    }
+
+    public long GetInvNumber()
+    {
+        return invNumber;
+    }
+
+    private void Take()
+    {
+        taken = false;
+    }
+
+    public void TakeItem()
+    {
+        if (this.IsAvailable())
+            this.Take();
+    }
+
+
+    abstract public void Return();
+
+    public virtual void Show()
+    {
+        Console.WriteLine("Состояние единицы хранения:\n Инвентарный номер: {0}\n Наличие: {1}", invNumber, taken);
+    }
+
+    int IComparable.CompareTo(object obj)
+    {
+        Item it = (Item)obj;
+        if (this.invNumber == it.invNumber) return 0;
+        else if (this.invNumber > it.invNumber) return 1;
+        else return -1;
+    }
+}