implement CardDeck with 52 Cards

src/main/java/solitaer/Card.java

@@ -0,0 +1,28 @@
+package solitaer;
+
+import javax.swing.JPanel;
+
+enum Symbol {
+	Herz, Karo, Kreuz, Pik
+}
+
+public class Card extends JPanel {
+	
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 1L;
+	private int nr;
+	private Symbol symbol;
+	
+	private boolean faceUp;
+
+	public Card(int nr, Symbol symbol, boolean faceUp) {
+		this.nr = nr;
+		this.symbol = symbol;
+		this.faceUp = faceUp;
+	}
+
+	
+	
+}

src/main/java/solitaer/CardDeck.java

@@ -0,0 +1,23 @@
+package solitaer;
+
+import java.util.ArrayList;
+
+public class CardDeck {
+	
+	private ArrayList<Card> deck = new ArrayList<Card>();
+	
+	
+	public CardDeck() {
+		for(int i= 0; i<52; i++) {
+			deck.add(new Card(i, Symbol.Herz, false));
+		}
+		
+	}
+
+
+	public ArrayList<Card> getDeck() {
+		return deck;
+	}
+
+
+}

src/test/java/solitaer/CardDeckTest.java

@@ -0,0 +1,21 @@
+package solitaer;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import org.junit.jupiter.api.Test;
+
+class CardDeckTest {
+
+	@Test
+	void testCardDeckSize() {
+		CardDeck deck = new CardDeck();
+		
+		int result = deck.getDeck().size();
+		
+		assertEquals(52, result, "Kartendeck muss genau 52 Carden haben") ;
+
+	}
+
+
+
+}