Refactor Card and StartStack

src/main/java/solitaer/Card.java

@@ -14,9 +14,6 @@ enum Symbol {
 
 public class Card extends JPanel {
 
-	/**
-	 * 
-	 */
 	private static final long serialVersionUID = 1L;
 	private int nr;
 	private Symbol symbol;
@@ -26,8 +23,11 @@ public class Card extends JPanel {
 	private Image Up;
 	private Image back;
 	
+	private final int IMAGE_WIDTH = 72;
+	private final int IMAGE_HIGHT = 96;
+
 	public Card(int nr, Symbol symbol, boolean faceUp) {
-		this.setSize(72,96);
+		this.setSize(IMAGE_WIDTH,IMAGE_HIGHT);
 		this.nr = nr;
 		this.symbol = symbol;
 		this.faceUp = faceUp;
@@ -75,7 +75,7 @@ public class Card extends JPanel {
 		case Kreuz:
 			return "Kreuz";
 		default:
-			return null;
+			return "";
 		}
 	}
 

src/main/java/solitaer/StartStack.java

@@ -12,12 +12,16 @@ public class StartStack extends JPanel {
 	private static final long serialVersionUID = 1L;
 	private Image im;
 	private ArrayList<Card> stack = new ArrayList<Card>();
+	private final int OFFSET_VALUE = 20;
+	
+	private final int IMAGE_WIDTH = 72;
+	private final int IMAGE_HIGHT = 450;
 
 	private int offset;
 
 	public StartStack(int _x, int _y) {
 		super.setLocation(_x, _y);
-		super.setSize(72, 450);
+		super.setSize(IMAGE_WIDTH, IMAGE_HIGHT);
 		super.setOpaque(false);
 		super.setLayout(null);
 
@@ -51,12 +55,12 @@ public class StartStack extends JPanel {
 		_card.setLocation(0, offset);
 		stack.add(_card);
 		addtoPanel();
-		offset += 20;
+		offset += OFFSET_VALUE;
 	}
 
 	private void addtoPanel() {
-
 		this.removeAll();
+		//Alles neu Zeichnen
 		for (int i = stack.size() - 1; i >= 0; i--) {
 			this.add(stack.get(i));
 		}
@@ -67,9 +71,7 @@ public class StartStack extends JPanel {
 		// TODO Auto-generated method stub
 		super.paintComponent(g);
 		if (stack.size() == 0) {
-			//Arcade64\src\main\java\solitaer\images
 			ImageIcon ii = new ImageIcon(getClass().getResource("images/empty.png"));
-			//ImageIcon ii = new ImageIcon("C:/Users/Alexander/eclipse-workspace/Arcade64/src/main/java/solitaer/images/empty.png");
 			im = ii.getImage();
 			g.drawImage(im, 0, 0, this.getWidth(), 96, this);
 		}

src/test/java/solitaer/StartStackTest.java

@@ -4,7 +4,6 @@ import static org.junit.jupiter.api.Assertions.*;
 
 import java.util.stream.Stream;
 
-import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
@@ -16,8 +15,6 @@ class StartStackTest {
 	//Jedes Symbol muss einmal vorhand sein
 	void testRulesetStartStack(String msg, Card _stapel, Card _spieler, boolean _expectedResult) {
 		StartStack stack = new StartStack(10, 10);
-		
-		
 		assertEquals(_expectedResult, stack.cardCheck(_stapel, _spieler), msg);
 	}
 
@@ -25,7 +22,8 @@ class StartStackTest {
 	private static Stream<Arguments> testStartStackTestDaten(){
 		return Stream.of(
 				Arguments.of("Ass-Kreuz auf 2-Herz", new Card(2, Symbol.Herz, true), new Card(1, Symbol.Kreuz, true), true),
-				Arguments.of("Ass-Herz auf 2Herz", new Card(1, Symbol.Herz, true), new Card(2, Symbol.Herz, true), false),
+				Arguments.of("Ass-Herz auf 2-Herz", new Card(2, Symbol.Herz, true), new Card(1, Symbol.Herz, true), false),
+				Arguments.of("Ass-Herz auf 2-Herz", new Card(1, Symbol.Herz, true), new Card(2, Symbol.Herz, true), false),
 				Arguments.of("Ass-Kreuz auf leeres Feld", null, new Card(1, Symbol.Kreuz, true), false),
 				Arguments.of("König auf leeres Feld", null, new Card(13, Symbol.Kreuz, true), true),
 				Arguments.of("5-Pik auf 6-Karo", new Card(6, Symbol.Karo, true), new Card(5, Symbol.Pik, true), true),
@@ -33,10 +31,7 @@ class StartStackTest {
 				Arguments.of("5-Karo auf 7-Kreuz", new Card(7, Symbol.Kreuz, true), new Card(5, Symbol.Karo, true), false),
 				Arguments.of("2-Herz auf Ass-Kreuz", new Card(2, Symbol.Herz, true), new Card(1, Symbol.Kreuz, true), true),
 				Arguments.of("null auf null", null, null, false)
-				
 				);
-				
-		
 	}
 
 }