change argument number

src/Main.java

@@ -1,6 +1,6 @@
 public class Main {
     public static void main(String[] args) {
-        System.out.println(args[2]);
+        System.out.println(args[0]);
         System.out.println("Hello world!");
 //        System.out.println(1);
     }

src/encapsulationInheritancePolymorphism/inheritance/ElectricEngine.java

@@ -1,5 +0,0 @@
-package encapsulationInheritancePolymorphism.inheritance;
-
-public class ElectricEngine extends Engine {
-    private String batteryType;
-}

src/encapsulationInheritancePolymorphism/inheritance/Engine.java

@@ -1,5 +0,0 @@
-package encapsulationInheritancePolymorphism.inheritance;
-
-public class Engine {
-    private int power;
-}

src/encapsulationInheritancePolymorphism/inheritance/Main.java

@@ -1,7 +0,0 @@
-package encapsulationInheritancePolymorphism.inheritance;
-
-public class Main {
-    public static void main(String[] args) {
-        ElectricEngine electricEngine = new ElectricEngine();
-    }
-}