basic game tic tac toe

TicTacToe - MinMax/src/Game.java

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+import javax.swing.*;
+
+public class Game {
+
+    int[] playfield;
+
+    public Game(){
+        playfield = new int[9];
+    }
+
+    public void place(int player, int position){
+        if (playfield[position] == -1){
+            playfield[position] = player;
+        } else {
+            JOptionPane.showConfirmDialog(null,"Tile is already taken");
+        }
+    }
+
+    public boolean checkWin() {
+        if (emptyTiles() < 5) {
+            for (int i = 0; i < 3; i++) {
+                if ((playfield[i] == playfield[i + 3]) && (playfield[i] == playfield[i + 6])) {
+                    System.out.println("vertical");
+                    return true;
+                } else if ((playfield[i * 3] == playfield[i * 3 + 1]) && (playfield[i * 3] == playfield[i * 3 + 2])) {
+                    System.out.println("horizontal");
+                    return true;
+                }
+            }
+            return (playfield[2] == playfield[4]) && (playfield[2] == playfield[6]) || (playfield[0] == playfield[4]) && (playfield[0] == playfield[8]);
+        } else {
+            return false;
+        }
+    }
+
+    public int emptyTiles(){
+        int n = 9;
+        for (int i = 0; i < playfield.length; i++){
+            if (playfield[i] != 0){
+                n -= 1;
+            }
+        }
+        return n;
+    }
+
+    public void setPlayfield(int position, int value) {
+        playfield[position] = value;
+    }
+
+    public int[] getPlayfield() {
+        return playfield;
+    }
+}