now able to print out the current state of the chess board

OOP_group1A1_project/src/backend/Board.java

@@ -86,8 +86,28 @@ public class Board {
 	}
 	
 	public String toString() {
-		//TODO
-		return "";
+        StringBuilder sb = new StringBuilder();
+
+        for (int y = 0; y < height; y++) {
+            for (int x = 0; x < width; x++) {
+                Piece found = null;
+                for (Piece p : Pieces) {
+                    if (p.getX() == x && p.getY() == y) {
+                        found = p;
+                        break;
+                    }
+                }
+                if (found != null) {
+                    String color = found.isWhite() ? "W" : "B";
+                    sb.append(color).append(found.getType().getSummary()).append(" ");
+                } else {
+                    sb.append(".. ");
+                }
+            }
+            sb.append("\n");
+        }
+
+        return sb.toString();
     }