Some bugs detected

Comp.java

@@ -16,6 +16,7 @@ public class Comp extends Player {
         }
         else {
             c = randomPunishmentCard(cards);
+            cards.remove(c);
             getPlayerCards().add(c);
             if (c instanceof Colored) {
                 if (card instanceof Colored) {
@@ -62,6 +63,7 @@ public class Comp extends Player {
         else {
             System.out.println("kirekhar");
             c = randomPunishmentCard(cards);
+            cards.remove(c);
             System.out.println(c.toString());
             getPlayerCards().add(c);
             if (c instanceof Colored) {

Human.java

@@ -26,6 +26,7 @@ public class Human extends Player {
                 System.out.println("gaav!");
             }
             card = getPlayerCards().get(number - 1);
+            cards.remove(card);
             getPlayerCards().remove(number - 1);
             return card;
         } else {
@@ -81,6 +82,7 @@ public class Human extends Player {
             }
         } else {
             card = randomPunishmentCard(cards);
+            cards.remove(card);
             getPlayerCards().add(card);
             if (card instanceof Colored) {
                 if (!card.cardColor.equals(Color)) {

Main.java

@@ -5,9 +5,9 @@ import java.util.Iterator;
 import java.util.Random;
 
 public class Main {
-
+    static Card previousCard = null; static int drawCounter; static ArrayList<Card> cards = new ArrayList<>();
     public static void main(String[] args) {
-        ArrayList<Card> cards = new ArrayList<>();
+        
         String Color;
         String Color1;
         for (int i = 1; i < 5; i++) {
@@ -150,6 +150,7 @@ public class Main {
                 nextColor = players.get(turns).chooseColorIfBlack(card);
                 if (nextColor == null)
                     nextCard = card;
+
             }
             if (nextColor == null)
                 System.out.println(nextCard.toString());
@@ -198,4 +199,49 @@ public class Main {
             System.out.println("|");
         }*/
     }
+
+    public static void switches(Card next, int turns, int move, ArrayList<Player> players){
+        if (previousCard instanceof Draw){
+            drawCounter += 2;
+            if (next instanceof Draw)
+                drawCounter += 2;
+            else{
+                for (int i = 1; i <= drawCounter; i++)
+                    players.get(turns).getPlayerCards().add(randomCard());
+                turns += move;
+                drawCounter = 0;
+            }
+        }
+        if (previousCard instanceof WildDraw){
+            drawCounter += 4;
+            if (next instanceof Draw){
+                drawCounter += 2;
+            }
+            else{
+                if (next instanceof WildDraw){
+                    drawCounter += 4;
+                }
+                else{
+                    for (int i = 1; i <= drawCounter; i++)
+                        players.get(turns).getPlayerCards().add(randomCard());
+                    turns += move;
+                    drawCounter = 0;
+                }
+            }
+        }
+        if (next instanceof Reverse)
+            move *= -1;
+        else {
+            if (next instanceof Skip)
+                turns += move;
+            System.out.println("Player" + (turns + 1) + "'s turns skipped");
+        }
+        previousCard = next;
+    }
+
+    public static Card randomCard(){
+        Random r = new Random();
+        int next = r.nextInt(cards.size());
+        return cards.get(next);
+    }
 }