added Videothek

Uebungen/OOP_3und4/src/videothek/CD.java

@@ -2,7 +2,15 @@ package videothek;
 
 public class CD extends Medium {
 
-    private int playTime;
-    private int amountTracks;
+    protected int playTimeMin;
+    protected int amountTracks;
+
+    public CD(){
+
+    }
+
+    public CD(float price){
+        super(price);
+    }
 
 }

Uebungen/OOP_3und4/src/videothek/HoerspielCD.java

@@ -7,7 +7,7 @@ public class HoerspielCD extends CD {
 
 
     @Override
-    public void lendMedia() {
-        super.lendMedia();
+    public float lendMedia() {
+        return super.lendMedia() +1.5f;
     }
 }

Uebungen/OOP_3und4/src/videothek/Medium.java

@@ -2,22 +2,22 @@ package videothek;
 
 public class Medium {
 
-    private float price;
-    private boolean isLent;
-
+    protected float price;
+    public boolean isLent;
 
     public Medium() {
 
     }
 
+
     public Medium(float price) {
+        this.price = price;
         isLent = false;
     }
 
-    public void lendMedia() {
-
 
+    public float lendMedia() {
+        isLent = true;
+        return price;
     }
-
-
 }

Uebungen/OOP_3und4/src/videothek/MusikCD.java

@@ -4,4 +4,19 @@ public class MusikCD extends CD {
 
     public String nameAlbum;
     public String artist;
+
+    public MusikCD(float price, int playTimeMin) {
+    super(price);
+    super.playTimeMin = playTimeMin;
+
+    }
+
+
+    @Override
+    public float lendMedia() {
+        if (playTimeMin <= 20) {
+            return super.lendMedia() - 0.5f;
+        }
+        return super.lendMedia();
+    }
 }

Uebungen/OOP_3und4/src/videothek/Programm.java

 package videothek;
 
+
 public class Programm {
-    public static void main(String[] args){
+    public static void main(String[] args) {
+
+        Videothek videothek = new Videothek();
+        Medium[] allMedia = new Medium[6];
+        Medium[] lentMedia = new Medium[6];
+
+
+        Medium media = new Medium(3);
+        Medium media2 = new Medium(3);
 
-    VHS vhs = new VHS();
+        VHS video = new VHS(3, true);
+        VHS video1 = new VHS(3, false);
 
-    vhs.lendMedia();
+        MusikCD musik = new MusikCD(3, 10);
+        MusikCD musik1 = new MusikCD(3, 25);
 
 
 
+        allMedia[0] = media;
+        allMedia[1] = media2;
+        allMedia[2] = video;
+        allMedia[3] = video1;
+        allMedia[4] = musik;
+        allMedia[5] = musik1;
+
+
+        //videothek.lendAllMedia(allMedia);
+        videothek.lendFirstThreeMedia();
+        //System.out.println(lentMedia[2].price);
     }
+
+
 }

Uebungen/OOP_3und4/src/videothek/VHS.java

@@ -5,11 +5,20 @@ public class VHS extends Medium {
     boolean isClassic;
 
 
+    public VHS(float price, boolean isClassic){
+        super(price);
+        this.isClassic = isClassic;
+    }
+
 
 
     @Override
-    public void lendMedia() {
-        super.lendMedia();
-        System.out.println("VHS");
+    public float lendMedia() {
+        if (isClassic) {
+            return super.lendMedia() + 1;
+        }
+
+
+        return super.lendMedia();
     }
 }

Uebungen/OOP_3und4/src/videothek/Videothek.java

 package videothek;
 
+import java.lang.reflect.Array;
+
 public class Videothek {
 
-    int[] allMedia;
-    int[] lentMedia;
+
+    Medium[] lentMedia;
+
+
+
+    public float lendAllMedia(Medium... medien) {
+        float summary = 0;
+        for (Medium m : medien) {
+            summary += m.lendMedia();
 
 
+        System.out.println("Der Leihstatus des Mediums ist: " + m.isLent);
+        }
+
+        System.out.println("- --  --  --  --  --  --  --  --  --  --  -- -");
+        System.out.println("Der Gesamtpreis beträgt: " + summary + " Euro.");
+        return summary;
+    }
+
+    public float lendFirstThreeMedia(){
+        float summary = 0;
+        for (int i = 0; i <=2; i++){
+            summary += allMedia[i].price;
+        }
+        System.out.println("Der Gesamtpreis beträgt: " + summary + " Euro.");
+        return summary;
+    }
 
 
 }
+
+
+