Initial data commit

Task/Bulls-and-cows-Player/Java/bulls-and-cows-player-3.java

@@ -0,0 +1,69 @@
+public class GameNumber extends AbstractGuessNumber {
+
+    public GameNumber() {
+        super(4);
+        defineNumber();
+    }
+
+    public static boolean isGuess(int[] digits) {
+        return (digits != null && isUnique(digits) && isAllDigits(digits));
+    }
+
+    protected static boolean isAllDigits(int[] array) {
+        for (int i = 0; i < array.length; i++) {
+            char digit = (char) (array[i] + '0');
+
+            if (!Character.isDigit(digit)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    protected static boolean isUnique(int[] array) {
+        for (int j = 0; j < array.length; j++) {
+            int a = array[j];
+
+            for (int i = 0; i < j; i++) {
+                if (a == array[i]) {
+                    // seen this int before
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+
+    public static int[] parseDigits(int number, int length) {
+        int[] arr = new int[length];
+        int temp = number;
+        for (int i = length - 1; i >= 0; i--) {
+            arr[i] = temp % 10;
+            temp /= 10;
+        }
+        return arr;
+    }
+
+    protected void defineNumber() {
+        int[] arr = generateRandom();
+
+        for (int i = 0; i < getLength(); i++) {
+            digits[i] = arr[i];
+        }
+    }
+
+    private int[] generateRandom() {
+        int[] arr;
+        do {
+            Random random = new Random();
+            int number = random.nextInt(9877) + 123;
+            arr = parseDigits(number, getLength());
+        } while (!isGuess(arr));
+        return arr;
+    }
+
+    @Override
+    public String toString() {
+        return Arrays.toString(digits);
+    }
+}