Notebook class

kodilla-intro/src/main/java/FirstClass.java

@@ -1,8 +1,13 @@
-public class FirstClass {                           // [1]
-    public static void main(String[] args) {         // [2]
-        System.out.println("Hello from FirstClass!"); // [3]
-
-        String greeting = "Hello from FirstClass!";
-        System.out.println(greeting);
+public class FirstClass {
+    public static void main(String[] args) {
+        Notebook notebook = new Notebook(600, 1000);
+        System.out.println(notebook.weight + " " + notebook.price);
+        notebook.checkPrice();
+        Notebook heavyNotebook = new Notebook(2000, 1500);
+        System.out.println(heavyNotebook.weight + " " + heavyNotebook.price);
+        heavyNotebook.checkPrice();
+        Notebook oldNotebook = new Notebook(1600, 500);
+        System.out.println(oldNotebook.weight + " " + oldNotebook.price);
+        oldNotebook.checkPrice();
     }
 }

kodilla-intro/src/main/java/Notebook.java

@@ -0,0 +1,16 @@
+public class Notebook {
+    int weight;
+    int price;
+    public Notebook(int weight, int price) {
+        this.weight = weight;
+        this.price = price;
+    }
+
+    public void checkPrice() {
+        if (price < 900) {
+            System.out.println("This notebook is cheap");
+        } else {
+            System.out.println("This notebook is quite expensive");
+        }
+    }
+}