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- import acm.graphics.*;
- import acm.program.*;
- public class Checkerboard extends GraphicsProgram {
- public void run() {
- double sqSize = (double) getHeigth() / N_ROWS;
- for (int i = 0; i < N_ROWS; i++) {
- for (int j = 0; j < N_ROWS; j++) {
- double x = j * sqSize;
- double y = i * sqSize;
- drawGRect(x, y, sqSize);
- }
- }
- }
- private void drawGRect(double x, double y, double sqSize) {
- GRect sq = new GRect(x, y, sqSize, sqSize);
- sq.setFilled((i + j) % 2 != 0);
- add(sq);
- }
- /* Private constants. */
- private static final int N_ROWS = 8;
- private static final int N_COLUMNS = 8;
- }
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