diff --git a/src/lab4/Furniture.java b/src/lab4/Furniture.java
index e13f68c..f7ecea1 100644
--- a/src/lab4/Furniture.java
+++ b/src/lab4/Furniture.java
@@ -3,7 +3,7 @@ package lab4;
 /**
  * My class Furniture.
  */
-public class Furniture {
+public class Furniture<T> {
     /**
      *
      */
@@ -13,6 +13,12 @@ public class Furniture {
     private int width;
     private int price;
 
+    private T additional;
+
+    public void setAdditional(T additional) {
+        this.additional = additional;
+    }
+
     /**
      *
      * @param material
@@ -22,13 +28,18 @@ public class Furniture {
      * @param price
      */
     public Furniture(String material, int length, int height, int width, int price) {
-        this.material = material;
+//        this.material = material;
+        setMaterial(material);
         this.length = length;
         this.height = height;
         this.width = width;
         this.price = price;
     }
 
+    public void setMaterial(String material) {
+        this.material = material;
+    }
+
     public String getMaterial() {
         return material;
     }
@@ -52,4 +63,15 @@ public class Furniture {
     /*public Furniture() {
 
     }*/
+
+    @Override
+    public String toString() {
+        return "Furniture{" +
+                "material='" + material + '\'' +
+                ", length=" + length +
+                ", height=" + height +
+                ", width=" + width +
+                ", price=" + price +
+                '}';
+    }
 }
diff --git a/src/lab4/Main.java b/src/lab4/Main.java
index 0b8e164..67b3fb7 100644
--- a/src/lab4/Main.java
+++ b/src/lab4/Main.java
@@ -4,19 +4,42 @@ import java.util.Arrays;
 
 public class Main {
     public static void main(String[] args) {
+//        todo Comparable
         //todo equals+hashcode
 //        todo JavaDoc
+        final Furniture<Furniture> furniture1 = new Furniture<>("A", 1, 1, 1, 1);
+        final Furniture<String> furniture2 = new Furniture<>("D", 1, 1, 1, 4);
         Furniture[] furnitureArray = {
-             new Furniture("A", 1, 1, 1, 1),
-                new Furniture("D", 1, 1, 1, 4),
-                new Furniture("B", 1, 2, 1, 1),
-                new Furniture("C", 1, 1, 3, 1),
+                furniture1,
+                furniture2,
+            new Furniture("B", 1, 2, 1, 1),
+            new Furniture("C", 1, 1, 3, 1),
         };
 
+        for (Furniture furniture : furnitureArray) {
+//            System.out.println(furniture.getMaterial() + " " + furniture.getPrice());
+            System.out.println(furniture);
+        }
+        System.out.println("+++++++++++++");
+
+        furniture1.setAdditional(new Furniture("Y", 1, 1, 1, 0));
+        furniture2.setAdditional("new Furniture(\"Y\", 1, 1, 1, 0)");
+
+//        furnitureArray[0].setMaterial("E");
+
         Arrays.sort(furnitureArray, (o1, o2) -> o1.getMaterial().compareTo(o2.getMaterial()));
-//        todo print
+        for (Furniture furniture : furnitureArray) {
+            System.out.println(furniture);
+        }
+
+        System.out.println("+++++++++++++");
 
 //        todo check
         Arrays.sort(furnitureArray, (o1, o2) -> Integer.compare(o2.getPrice(), o1.getPrice()));
+        for (Furniture furniture : furnitureArray) {
+            System.out.println(furniture);
+        }
+
+        System.out.println("+++++++++++++");
     }
 }