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src/main/java/rocks/zipcode/io/quiz3/arrays/TicTacToe.java

     private Integer rowIndex;
     private Integer columnIndex;
 
-    public TicTacToe(){}
+    public TicTacToe() {
+    }
 
     public TicTacToe(String[][] board) {
         this.board = board;
     }
 
     public String[] getRow(Integer value) {
-        return null;
+        return board[value];
     }
 
     public String[] getColumn(Integer value) {
+        String[] str = new String[3];
+
         return null;
     }
 
     public Boolean isRowHomogenous(Integer rowIndex) {
 
         for (int i = 1; i < 3; i++) {
-            if (this.board[rowIndex][i] != this.board[rowIndex][i - 1]){
+            if (this.board[rowIndex][i] != this.board[rowIndex][i - 1]) {
                 return false;
             }
         }
     }
 
     public Boolean isColumnHomogeneous(Integer columnIndex) {
-        return null;
+        for (int i = 1; i < 3; i++) {
+            if (this.board[i][columnIndex] != this.board[i - 1][columnIndex]) {
+                return false;
+            }
+        }
+
+        return true;
     }
 
     public String getWinner() {
+        Integer count = 0;
+        //rows
+        for (int i = 0; i < 3; i++) {
+            if (board[i][0] == board[i][1] && board[i][0] == board[i][2]) {
+                return board[i][0];
+            }
+        }
+        //columns
+        for (int i = 0; i < 3; i++) {
+            if (board[0][i] == board[1][i] && board[0][i] == board[2][i]) {
+                return board[0][i];
+            }
+            //diagonal1
+            if (i == 2 && board[i][i] == board[i - 1][i - 1] && board[i][i] == board[i - 2][i - 2]) {
+                return board[i][i];
+            }
+        }
+        //diagonal2
+            if (board[0][2] == board[1][1] && board[0][2] == board[2][0]){
+            return board[0][2];
+        }
+
         return null;
     }
 }