getMyX(),getMyY() method in square completed and isChecked completed in main

src/game/Square.java

@@ -10,8 +10,8 @@ import java.awt.*;
  */
 public class Square extends JButton {
 
-    int x;
-    int y;
+    private int x;
+    private int y;
     private Piece piece;
     private boolean isSelected = false;
     private boolean hasPiece = false;
@@ -30,6 +30,14 @@ public class Square extends JButton {
 
     }
 
+    public int getMyX() {
+        return x;
+    }
+
+    public int getMyY(){
+        return y;
+    }
+
     public JLabel getImage() {
         return image;
     }

src/pieces/King.java

@@ -35,7 +35,7 @@ public class King extends Piece {
     public ArrayList<Square> move(Square[][] squares, int x, int y){
 //The java.util.ArrayList.clear() method removes all of the elements from this list.The list will be empty after this call returns.
         ArrayList<Square> possibleSquares=new ArrayList<>();
-        possibleSquares.clear();
+
         int posx[]={x,x,x+1,x+1,x+1,x-1,x-1,x-1};
         int posy[]={y-1,y+1,y-1,y,y+1,y-1,y,y+1};
         for(int i=0;i<8;i++)