diff options
Diffstat (limited to 'src/de/fhswf/in/inf/java1/aufgabe8/Lottery6OutOf49.java')
| -rw-r--r-- | src/de/fhswf/in/inf/java1/aufgabe8/Lottery6OutOf49.java | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/src/de/fhswf/in/inf/java1/aufgabe8/Lottery6OutOf49.java b/src/de/fhswf/in/inf/java1/aufgabe8/Lottery6OutOf49.java index c09893e..fbe150a 100644 --- a/src/de/fhswf/in/inf/java1/aufgabe8/Lottery6OutOf49.java +++ b/src/de/fhswf/in/inf/java1/aufgabe8/Lottery6OutOf49.java @@ -16,9 +16,11 @@ import java.util.List; public class Lottery6OutOf49 { - private ArrayList<Integer> lotteryNumbers = new ArrayList<>(49); + private static final int MAX_NUMBER = 49; - private ArrayList<Integer> lastDraw = new ArrayList<>(6); + private ArrayList<Integer> lotteryNumbers; + + private List<Integer> lastDraw; private Integer superzahl; @@ -28,13 +30,12 @@ public class Lottery6OutOf49 */ public Lottery6OutOf49() { - for (int i = 1; i <= 49; i++) + lotteryNumbers = new ArrayList<Integer>(MAX_NUMBER); + + for (int i = 1; i <= MAX_NUMBER; i++) { lotteryNumbers.add(i); } - - nextDraw(); - } /** @@ -43,17 +44,9 @@ public class Lottery6OutOf49 */ public void nextDraw() { - List<Integer> tmp = FloydAndBentley.sample2(lotteryNumbers, 7); - - superzahl = tmp.get(tmp.size() - 1); - - lastDraw.clear(); - - for (int i = 0; i < 6; i++) - { - lastDraw.add(tmp.get(i)); - } + lastDraw = FloydAndBentley.sample(lotteryNumbers, 7); + superzahl = lastDraw.remove(lastDraw.size() - 1); lastDraw.sort(null); } @@ -64,6 +57,10 @@ public class Lottery6OutOf49 */ public List<Integer> getLastDraw() { + if (lastDraw == null) + { + throw new IllegalStateException("First needs a sraw."); + } return Collections.unmodifiableList(lastDraw); } @@ -74,6 +71,10 @@ public class Lottery6OutOf49 */ public Integer getSuperzahl() { + if (superzahl == null) + { + throw new IllegalStateException("First needs a sraw."); + } return new Integer(superzahl); } |
