EDIT: See simon’s answer, where he fixed the formula presented here. Actually there is an O(1) formula This is an image that I’ve made to visualize it ( Squares a knight can reach on Nth move are painted with same color ). Can you notice the pattern here? Although we can see the pattern, it … Read more
The top component will get the mouse click. How much the JLabel will cover will depend on its size and on the JPanel’s layout manager. One way is to give the listener to the JLabel (as has also been mentioned above), but another way to do it is as I describe below, and while perhaps … Read more
Here is a simple example that shows how you might (randomly) drag and drop a “chess piece” from one square to another: import java.awt.*; import java.awt.event.*; import java.util.*; import javax.swing.*; public class ChessBoard extends JFrame implements MouseListener, MouseMotionListener { JLayeredPane layeredPane; JPanel chessBoard; JLabel chessPiece; int xAdjustment; int yAdjustment; public ChessBoard() { Dimension boardSize = … Read more