diff --git a/src/main/java/ru/j4j/oop/Car.java b/src/main/java/ru/j4j/oop/Car.java
new file mode 100644
index 0000000..a0feab7
--- /dev/null
+++ b/src/main/java/ru/j4j/oop/Car.java
@@ -0,0 +1,42 @@
+package ru.j4j.oop;
+
+public class Car {
+    private String brand;
+    private String model;
+
+    public Car(String brand, String model) {
+        this.brand = brand;
+        this.model = model;
+    }
+
+    public void startEngine() {
+        System.out.println("Двигатель запущен");
+    }
+
+    public class Transmission {
+
+        public void accelerate() {
+            System.out.println("Ускорение");
+        }
+
+    }
+
+    public class Brakes {
+
+        public void brake() {
+            System.out.println("Торможение");
+        }
+
+    }
+
+    public class TripComputer {
+
+        public String tripData = "Бортовой компьютер";
+        private String model = "Модель TripComputer";
+
+        public void getInfo() {
+            System.out.println("Модель TripComputer: " + this.model);
+            System.out.println("Модель Car: " + Car.this.model);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/ru/j4j/oop/CarMain.java b/src/main/java/ru/j4j/oop/CarMain.java
new file mode 100644
index 0000000..0405543
--- /dev/null
+++ b/src/main/java/ru/j4j/oop/CarMain.java
@@ -0,0 +1,14 @@
+package ru.j4j.oop;
+
+public class CarMain {
+    public static void main(String[] args) {
+        Car car = new Car("Марка", "Модель");
+        Car.Transmission transmission = car.new Transmission();
+        Car.TripComputer tripComputer = car.new TripComputer();
+        Car.Brakes brakes = car.new Brakes();
+        car.startEngine();
+        transmission.accelerate();
+        brakes.brake();
+        tripComputer.getInfo();
+    }
+}
diff --git a/src/main/java/ru/j4j/oop/OuterClass.java b/src/main/java/ru/j4j/oop/OuterClass.java
new file mode 100644
index 0000000..626b0ae
--- /dev/null
+++ b/src/main/java/ru/j4j/oop/OuterClass.java
@@ -0,0 +1,10 @@
+package ru.j4j.oop;
+
+public class OuterClass {
+    class NestedClass {
+    }
+
+    static class StaticNestedClass {
+    }
+
+}