tictactoe: refactoring: formatted code and removed unused lines

src/main/java/de/tims/tictactoe/GameLogic.java

@@ -31,12 +31,14 @@ public class GameLogic {
 	}
 
 	public void setField(int column, int row, char player) {
-		if(fieldIsEmpty(column, row)) this.board[column][row] = player;
+		if (fieldIsEmpty(column, row))
+			this.board[column][row] = player;
 	}
 
 	public boolean fieldIsEmpty(int column, int row) {
 		for (char field : this.occupiedFields) {
-			if (this.board[column][row] == field) return false;
+			if (this.board[column][row] == field)
+				return false;
 		}
 		return true;
 	}
@@ -48,34 +50,40 @@ public class GameLogic {
 		// check columns
 		for (int i = 0; i < this.board.length; i++) {
 			for (int j = 0; j < this.board[0].length; j++) {
-				if(board[j][i] == player) countFields++;
+				if (this.board[j][i] == player)
+					countFields++;
 			}
-			if(countFields == this.board.length) return finished = true;
+			if (countFields == this.board.length)
+				return finished = true;
 			countFields = 0;
 		}
-		countFields = 0;
-		
 		// check rows
 		for (int i = 0; i < this.board[0].length; i++) {
 			for (int j = 0; j < this.board.length; j++) {
-				 if(board[i][j] == player) countFields++;
+				if (this.board[i][j] == player)
+					countFields++;
 			}
-			if(countFields == this.board.length) return finished = true;
+			if (countFields == this.board.length)
+				return finished = true;
 			countFields = 0;
 		}
 
 		// check diagonal left
-        for (int i = this.board.length - 1, j = this.board.length - 1; i >= 0 ; i--, j--) {
-            if (board[i][j] == player) countFields++;
-        }
-        if(countFields == this.board.length) return finished = true;
-        countFields = 0;
+		for (int i = this.board.length - 1, j = this.board.length - 1; i >= 0; i--, j--) {
+			if (this.board[i][j] == player)
+				countFields++;
+		}
+		if (countFields == this.board.length)
+			return finished = true;
+		countFields = 0;
 
-        // check diagonal right
-        for (int i = this.board.length - 1, j = 0; i >= 0 ; i--, j++) {
-            if (board[i][j] == player) countFields++;
-        }
-        if(countFields == this.board.length) return finished = true;
+		// check diagonal right
+		for (int i = this.board.length - 1, j = 0; i >= 0; i--, j++) {
+			if (this.board[i][j] == player)
+				countFields++;
+		}
+		if (countFields == this.board.length)
+			return finished = true;
 
 		return finished;
 	}