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Import java.awt.; Import acm.program.; Import acm.graphics.;.pdf

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Import java.awt.*; Import acm.program.*; Import acm.graphics.*; public class Sierpinski extends GraphicsProgram { public void run() { GRect box = new GRect(20, 20, 242, 242); box.setFilled(true); add(box); drawGasket(20, 20, 243); } private void drawFigure(int x, int y, int side) { int sub = side / 3; GRect box = new GRect(x + sub, y + sub, sub - 1, sub - 1); box.setFilled(true); box.setColor(Color.WHITE); add(box); if (sub >= 3) { drawFigure(x, y, sub); drawFigure(x + sub, y, sub); drawFigure(x + 2 * sub, y, sub); drawFigure(x, y + sub, sub); drawFigure(x + 2 * sub, y + sub, sub); drawFigure(x, y + 2 * sub, sub); drawFigure(x + sub, y + 2 * sub, sub); drawFigure(x + 2 * sub, y + 2 * sub, sub); } } C.8 SQUARE in recursive method:- import java.awt.*; import java.awt.event.*; import javax.swing.*; public class SierpinskiCarpet extends JPanel implements ActionListener { public static void main(String[] args) { JFrame window = new JFrame(\"Sierpinski Carpet\"); window.setContentPane( new SierpinskiCarpet() ); window.pack(); window.setResizable(false); window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Dimension screensize = Toolkit.getDefaultToolkit().getScreenSize(); int x = Math.max(10, (screensize.width - window.getWidth()) / 2); int y = Math.max(10, (screensize.height - window.getHeight()) / 2); window.setLocation(x,y); window.setVisible(true); } private int level; private JRadioButton[] levelButton; private JCheckBox[][] regionCheckbox; private Display display; private class Display extends JPanel { Display() { setBackground(Color.WHITE); setPreferredSize(new Dimension(729,729)); } protected void paintComponent(Graphics g) { super.paintComponent(g); drawCarpet(g,level,0,0,729); } } public SierpinskiCarpet() { setLayout(new BorderLayout(3,3)); setBackground(Color.GRAY); setBorder(BorderFactory.createLineBorder(Color.GRAY,3)); display = new Display(); add(display,BorderLayout.CENTER); Box controls = Box.createVerticalBox(); controls.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10)); controls.setBackground(Color.WHITE); controls.setOpaque(true); add(controls, BorderLayout.EAST); controls.add(new JLabel(\"Controls\")); controls.add(Box.createVerticalStrut(30)); levelButton = new JRadioButton[7]; ButtonGroup grp = new ButtonGroup(); for (int i = 0; i < 7; i++) { levelButton[i] = new JRadioButton(\"Recursion Level \" + i); grp.add(levelButton[i]); levelButton[i].addActionListener(this);controls.add(levelButton[i]); } level = 4; levelButton[4].setSelected(true); regionCheckbox = new JCheckBox[3][3]; JPanel checks = new JPanel(); checks.setLayout(new GridLayout(3,3,5,5)); for (int r = 0; r < 3; r++) { for (int c = 0; c < 3; c++) { regionCheckbox[r][c] = new JCheckBox(); checks.add(regionCheckbox[r][c]); regionCheckbox[r][c].addActionListener(this); regionCheckbox[r][c].setSelected(true); } } checks.setMaximumSize(new Dimension(90,90)); checks.setAlignmentX(LEFT_ALIGNMENT); checks.setBackground(Color.WHITE); regionCheckbox[1][1].setSelec.

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Import java.awt.*; Import acm.program.*; Import acm.graphics.*; public class Sierpinski extends GraphicsProgram { public void run() { GRect box = new GRect(20, 20, 242, 242); box.setFilled(true); add(box); drawGasket(20, 20, 243); } private void drawFigure(int x, int y, int side) { int sub = side / 3; GRect box = new GRect(x + sub, y + sub, sub - 1, sub - 1); box.setFilled(true); box.setColor(Color.WHITE); add(box); if (sub >= 3) { drawFigure(x, y, sub); drawFigure(x + sub, y, sub); drawFigure(x + 2 * sub, y, sub); drawFigure(x, y + sub, sub); drawFigure(x + 2 * sub, y + sub, sub); drawFigure(x, y + 2 * sub, sub); drawFigure(x + sub, y + 2 * sub, sub); drawFigure(x + 2 * sub, y + 2 * sub, sub); } } C.8 SQUARE in recursive method:- import java.awt.*; import java.awt.event.*; import javax.swing.*; public class SierpinskiCarpet extends JPanel implements ActionListener {
public static void main(String[] args) { JFrame window = new JFrame("Sierpinski Carpet"); window.setContentPane( new SierpinskiCarpet() ); window.pack(); window.setResizable(false); window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Dimension screensize = Toolkit.getDefaultToolkit().getScreenSize(); int x = Math.max(10, (screensize.width - window.getWidth()) / 2); int y = Math.max(10, (screensize.height - window.getHeight()) / 2); window.setLocation(x,y); window.setVisible(true); } private int level; private JRadioButton[] levelButton; private JCheckBox[][] regionCheckbox; private Display display; private class Display extends JPanel { Display() { setBackground(Color.WHITE); setPreferredSize(new Dimension(729,729)); } protected void paintComponent(Graphics g) { super.paintComponent(g); drawCarpet(g,level,0,0,729); } }
public SierpinskiCarpet() { setLayout(new BorderLayout(3,3)); setBackground(Color.GRAY); setBorder(BorderFactory.createLineBorder(Color.GRAY,3)); display = new Display(); add(display,BorderLayout.CENTER); Box controls = Box.createVerticalBox(); controls.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10)); controls.setBackground(Color.WHITE); controls.setOpaque(true); add(controls, BorderLayout.EAST); controls.add(new JLabel("Controls")); controls.add(Box.createVerticalStrut(30)); levelButton = new JRadioButton[7]; ButtonGroup grp = new ButtonGroup(); for (int i = 0; i < 7; i++) { levelButton[i] = new JRadioButton("Recursion Level " + i); grp.add(levelButton[i]); levelButton[i].addActionListener(this);controls.add(levelButton[i]); } level = 4; levelButton[4].setSelected(true); regionCheckbox = new JCheckBox[3][3]; JPanel checks = new JPanel(); checks.setLayout(new GridLayout(3,3,5,5));
for (int r = 0; r < 3; r++) { for (int c = 0; c < 3; c++) { regionCheckbox[r][c] = new JCheckBox(); checks.add(regionCheckbox[r][c]); regionCheckbox[r][c].addActionListener(this); regionCheckbox[r][c].setSelected(true); } } checks.setMaximumSize(new Dimension(90,90)); checks.setAlignmentX(LEFT_ALIGNMENT); checks.setBackground(Color.WHITE); regionCheckbox[1][1].setSelected(false); controls.add(Box.createVerticalStrut(30)); controls.add(new JLabel("Regions To Include:")); controls.add(Box.createVerticalStrut(15)); controls.add(checks); } public void actionPerformed(ActionEvent e) { Object src = e.getSource(); for (int i = 0; i < 7; i++) { if (src == levelButton[i]) { level = i; break; } }
} private void drawCarpet(Graphics g, int level, int x, int y, int size) { g.fillRect(x,y,size,size); } } Solution Import java.awt.*; Import acm.program.*; Import acm.graphics.*; public class Sierpinski extends GraphicsProgram { public void run() { GRect box = new GRect(20, 20, 242, 242); box.setFilled(true); add(box); drawGasket(20, 20, 243); } private void drawFigure(int x, int y, int side) { int sub = side / 3; GRect box = new GRect(x + sub, y + sub, sub - 1, sub - 1); box.setFilled(true); box.setColor(Color.WHITE); add(box); if (sub >= 3) { drawFigure(x, y, sub); drawFigure(x + sub, y, sub); drawFigure(x + 2 * sub, y, sub); drawFigure(x, y + sub, sub); drawFigure(x + 2 * sub, y + sub, sub); drawFigure(x, y + 2 * sub, sub);
drawFigure(x + sub, y + 2 * sub, sub); drawFigure(x + 2 * sub, y + 2 * sub, sub); } } C.8 SQUARE in recursive method:- import java.awt.*; import java.awt.event.*; import javax.swing.*; public class SierpinskiCarpet extends JPanel implements ActionListener { public static void main(String[] args) { JFrame window = new JFrame("Sierpinski Carpet"); window.setContentPane( new SierpinskiCarpet() ); window.pack(); window.setResizable(false); window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Dimension screensize = Toolkit.getDefaultToolkit().getScreenSize(); int x = Math.max(10, (screensize.width - window.getWidth()) / 2); int y = Math.max(10, (screensize.height - window.getHeight()) / 2); window.setLocation(x,y); window.setVisible(true); } private int level; private JRadioButton[] levelButton; private JCheckBox[][] regionCheckbox; private Display display; private class Display extends JPanel { Display() { setBackground(Color.WHITE); setPreferredSize(new Dimension(729,729)); }
protected void paintComponent(Graphics g) { super.paintComponent(g); drawCarpet(g,level,0,0,729); } } public SierpinskiCarpet() { setLayout(new BorderLayout(3,3)); setBackground(Color.GRAY); setBorder(BorderFactory.createLineBorder(Color.GRAY,3)); display = new Display(); add(display,BorderLayout.CENTER); Box controls = Box.createVerticalBox(); controls.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10)); controls.setBackground(Color.WHITE); controls.setOpaque(true); add(controls, BorderLayout.EAST); controls.add(new JLabel("Controls")); controls.add(Box.createVerticalStrut(30)); levelButton = new JRadioButton[7]; ButtonGroup grp = new ButtonGroup(); for (int i = 0; i < 7; i++) { levelButton[i] = new JRadioButton("Recursion Level " + i); grp.add(levelButton[i]); levelButton[i].addActionListener(this);controls.add(levelButton[i]); }
level = 4; levelButton[4].setSelected(true); regionCheckbox = new JCheckBox[3][3]; JPanel checks = new JPanel(); checks.setLayout(new GridLayout(3,3,5,5)); for (int r = 0; r < 3; r++) { for (int c = 0; c < 3; c++) { regionCheckbox[r][c] = new JCheckBox(); checks.add(regionCheckbox[r][c]); regionCheckbox[r][c].addActionListener(this); regionCheckbox[r][c].setSelected(true); } } checks.setMaximumSize(new Dimension(90,90)); checks.setAlignmentX(LEFT_ALIGNMENT); checks.setBackground(Color.WHITE); regionCheckbox[1][1].setSelected(false); controls.add(Box.createVerticalStrut(30)); controls.add(new JLabel("Regions To Include:")); controls.add(Box.createVerticalStrut(15)); controls.add(checks); } public void actionPerformed(ActionEvent e) { Object src = e.getSource();
for (int i = 0; i < 7; i++) { if (src == levelButton[i]) { level = i; break; } } } private void drawCarpet(Graphics g, int level, int x, int y, int size) { g.fillRect(x,y,size,size); } }

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Import java.awt.; Import acm.program.; Import acm.graphics.;.pdf

  • 1. Import java.awt.*; Import acm.program.*; Import acm.graphics.*; public class Sierpinski extends GraphicsProgram { public void run() { GRect box = new GRect(20, 20, 242, 242); box.setFilled(true); add(box); drawGasket(20, 20, 243); } private void drawFigure(int x, int y, int side) { int sub = side / 3; GRect box = new GRect(x + sub, y + sub, sub - 1, sub - 1); box.setFilled(true); box.setColor(Color.WHITE); add(box); if (sub >= 3) { drawFigure(x, y, sub); drawFigure(x + sub, y, sub); drawFigure(x + 2 * sub, y, sub); drawFigure(x, y + sub, sub); drawFigure(x + 2 * sub, y + sub, sub); drawFigure(x, y + 2 * sub, sub); drawFigure(x + sub, y + 2 * sub, sub); drawFigure(x + 2 * sub, y + 2 * sub, sub); } } C.8 SQUARE in recursive method:- import java.awt.*; import java.awt.event.*; import javax.swing.*; public class SierpinskiCarpet extends JPanel implements ActionListener {
  • 2. public static void main(String[] args) { JFrame window = new JFrame("Sierpinski Carpet"); window.setContentPane( new SierpinskiCarpet() ); window.pack(); window.setResizable(false); window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Dimension screensize = Toolkit.getDefaultToolkit().getScreenSize(); int x = Math.max(10, (screensize.width - window.getWidth()) / 2); int y = Math.max(10, (screensize.height - window.getHeight()) / 2); window.setLocation(x,y); window.setVisible(true); } private int level; private JRadioButton[] levelButton; private JCheckBox[][] regionCheckbox; private Display display; private class Display extends JPanel { Display() { setBackground(Color.WHITE); setPreferredSize(new Dimension(729,729)); } protected void paintComponent(Graphics g) { super.paintComponent(g); drawCarpet(g,level,0,0,729); } }
  • 3. public SierpinskiCarpet() { setLayout(new BorderLayout(3,3)); setBackground(Color.GRAY); setBorder(BorderFactory.createLineBorder(Color.GRAY,3)); display = new Display(); add(display,BorderLayout.CENTER); Box controls = Box.createVerticalBox(); controls.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10)); controls.setBackground(Color.WHITE); controls.setOpaque(true); add(controls, BorderLayout.EAST); controls.add(new JLabel("Controls")); controls.add(Box.createVerticalStrut(30)); levelButton = new JRadioButton[7]; ButtonGroup grp = new ButtonGroup(); for (int i = 0; i < 7; i++) { levelButton[i] = new JRadioButton("Recursion Level " + i); grp.add(levelButton[i]); levelButton[i].addActionListener(this);controls.add(levelButton[i]); } level = 4; levelButton[4].setSelected(true); regionCheckbox = new JCheckBox[3][3]; JPanel checks = new JPanel(); checks.setLayout(new GridLayout(3,3,5,5));
  • 4. for (int r = 0; r < 3; r++) { for (int c = 0; c < 3; c++) { regionCheckbox[r][c] = new JCheckBox(); checks.add(regionCheckbox[r][c]); regionCheckbox[r][c].addActionListener(this); regionCheckbox[r][c].setSelected(true); } } checks.setMaximumSize(new Dimension(90,90)); checks.setAlignmentX(LEFT_ALIGNMENT); checks.setBackground(Color.WHITE); regionCheckbox[1][1].setSelected(false); controls.add(Box.createVerticalStrut(30)); controls.add(new JLabel("Regions To Include:")); controls.add(Box.createVerticalStrut(15)); controls.add(checks); } public void actionPerformed(ActionEvent e) { Object src = e.getSource(); for (int i = 0; i < 7; i++) { if (src == levelButton[i]) { level = i; break; } }
  • 5. } private void drawCarpet(Graphics g, int level, int x, int y, int size) { g.fillRect(x,y,size,size); } } Solution Import java.awt.*; Import acm.program.*; Import acm.graphics.*; public class Sierpinski extends GraphicsProgram { public void run() { GRect box = new GRect(20, 20, 242, 242); box.setFilled(true); add(box); drawGasket(20, 20, 243); } private void drawFigure(int x, int y, int side) { int sub = side / 3; GRect box = new GRect(x + sub, y + sub, sub - 1, sub - 1); box.setFilled(true); box.setColor(Color.WHITE); add(box); if (sub >= 3) { drawFigure(x, y, sub); drawFigure(x + sub, y, sub); drawFigure(x + 2 * sub, y, sub); drawFigure(x, y + sub, sub); drawFigure(x + 2 * sub, y + sub, sub); drawFigure(x, y + 2 * sub, sub);
  • 6. drawFigure(x + sub, y + 2 * sub, sub); drawFigure(x + 2 * sub, y + 2 * sub, sub); } } C.8 SQUARE in recursive method:- import java.awt.*; import java.awt.event.*; import javax.swing.*; public class SierpinskiCarpet extends JPanel implements ActionListener { public static void main(String[] args) { JFrame window = new JFrame("Sierpinski Carpet"); window.setContentPane( new SierpinskiCarpet() ); window.pack(); window.setResizable(false); window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Dimension screensize = Toolkit.getDefaultToolkit().getScreenSize(); int x = Math.max(10, (screensize.width - window.getWidth()) / 2); int y = Math.max(10, (screensize.height - window.getHeight()) / 2); window.setLocation(x,y); window.setVisible(true); } private int level; private JRadioButton[] levelButton; private JCheckBox[][] regionCheckbox; private Display display; private class Display extends JPanel { Display() { setBackground(Color.WHITE); setPreferredSize(new Dimension(729,729)); }
  • 7. protected void paintComponent(Graphics g) { super.paintComponent(g); drawCarpet(g,level,0,0,729); } } public SierpinskiCarpet() { setLayout(new BorderLayout(3,3)); setBackground(Color.GRAY); setBorder(BorderFactory.createLineBorder(Color.GRAY,3)); display = new Display(); add(display,BorderLayout.CENTER); Box controls = Box.createVerticalBox(); controls.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10)); controls.setBackground(Color.WHITE); controls.setOpaque(true); add(controls, BorderLayout.EAST); controls.add(new JLabel("Controls")); controls.add(Box.createVerticalStrut(30)); levelButton = new JRadioButton[7]; ButtonGroup grp = new ButtonGroup(); for (int i = 0; i < 7; i++) { levelButton[i] = new JRadioButton("Recursion Level " + i); grp.add(levelButton[i]); levelButton[i].addActionListener(this);controls.add(levelButton[i]); }
  • 8. level = 4; levelButton[4].setSelected(true); regionCheckbox = new JCheckBox[3][3]; JPanel checks = new JPanel(); checks.setLayout(new GridLayout(3,3,5,5)); for (int r = 0; r < 3; r++) { for (int c = 0; c < 3; c++) { regionCheckbox[r][c] = new JCheckBox(); checks.add(regionCheckbox[r][c]); regionCheckbox[r][c].addActionListener(this); regionCheckbox[r][c].setSelected(true); } } checks.setMaximumSize(new Dimension(90,90)); checks.setAlignmentX(LEFT_ALIGNMENT); checks.setBackground(Color.WHITE); regionCheckbox[1][1].setSelected(false); controls.add(Box.createVerticalStrut(30)); controls.add(new JLabel("Regions To Include:")); controls.add(Box.createVerticalStrut(15)); controls.add(checks); } public void actionPerformed(ActionEvent e) { Object src = e.getSource();
  • 9. for (int i = 0; i < 7; i++) { if (src == levelButton[i]) { level = i; break; } } } private void drawCarpet(Graphics g, int level, int x, int y, int size) { g.fillRect(x,y,size,size); } }