interface

src/abstractClasses/Motorrad.java

@@ -1,4 +1,4 @@
-package motorrad;
+package abstractClasses;
 
 public class Motorrad extends Vehicle{
 

src/abstractClasses/Programm.java

@@ -0,0 +1,10 @@
+package abstractClasses;
+
+public class Programm {
+
+    public static void main(String[] args) {
+        Motorrad motorrad = new Motorrad();
+
+        motorrad.bremsen();
+    }
+}

src/abstractClasses/Vehicle.java

@@ -1,4 +1,4 @@
-package motorrad;
+package abstractClasses;
 
 public abstract class Vehicle {
 

src/interfaces/IVehicle.java

@@ -0,0 +1,6 @@
+package interfaces;
+
+public interface IVehicle {
+    void beschleunigen();
+    void bremsen();
+}

src/interfaces/Motorrad.java

@@ -0,0 +1,12 @@
+package interfaces;
+
+public class Motorrad implements IVehicle{
+
+    public void bremsen() {
+        System.out.println("Bremsen");
+    }
+
+    public void beschleunigen() {
+        System.out.println("fahren");
+    }
+}

src/interfaces/Programm.java

@@ -1,7 +1,6 @@
-package motorrad;
+package interfaces;
 
 public class Programm {
-
     public static void main(String[] args) {
         Motorrad motorrad = new Motorrad();