hi

src/backend/Board.java

@@ -3,6 +3,7 @@ package backend;
 import java.util.ArrayList;
 
 public class Board {
+
 	private int colNum;
 	private int lineNum;
 	private Piece[][] board;
@@ -20,11 +21,11 @@ public class Board {
 		}
 	}
 
-	public int getWidth() {
-		return colNum;
+	public int getWidth() {
+		return colNum;
 	}
 
-	public int getHeight() {
+	public int getHeight() {
 		return lineNum;
 	}
 

src/backend/Piece.java

@@ -2,12 +2,15 @@ package backend;
 
 public class Piece {
 
+	private int x;
+	private int y;
+	
 	public int getX() {
-		return 0;
+		return this.x;
 	}
 
 	public int getY() {
-		return 0;
+		return this.y;
 	}
 	
 	public PieceType getType() {