![}
}
public static boolean comparePuzzleState(ArrayList<Point> list1, ArrayList<Point> list2) {
return list1.toString().contentEquals(list2.toString());
}
public static void main(String[] args) {
EventQueue.invokeLater(() -> {
Game slidePuzzle = new Game();
slidePuzzle.setVisible(true);
});
}
}](https://image.slidesharecdn.com/whyamigettinganoutofmemoryerrorandnowindowofmy-230316034105-590bdca1/85/Why-am-I-getting-an-out-of-memory-error-and-no-window-of-my-pdf-5-320.jpg)
Why am I getting an out of memory error and no window of my .pdf
- 1. Why am I getting an out of memory error and no window of my application is appearing? code starts here: package slidePuzzle; import javax.swing.*; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.image.BufferedImage; import java.awt.image.CropImageFilter; import java.awt.image.FilteredImageSource; import java.util.ArrayList; import java.util.Collections; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO; public class Game extends JFrame { // declare variables, arrays, and constants private Buttons emptyButton; private ArrayList<Buttons> buttons; private ArrayList<Point> answer; private final int TOTAL_BUTTONS = 12; private final int TOTAL_WIDTH = 400; private JPanel panel; private Image img; private BufferedImage src; private BufferedImage mod; private int width; private int height; // default constructor public Game() { // call initializer initializeInterface(); } private void initializeInterface() { ArrayList<Point> answer = new ArrayList<Point>(); ArrayList<Buttons> buttons = new ArrayList<Buttons>(); JPanel panel = new JPanel(); panel.setBorder(BorderFactory.createLineBorder(Color.black)); panel.setLayout(new GridLayout(4, 3, 0, 0));
- 2. for (int x = 0; x < 4; x++) { for (int y = 0; y < 3; y++) { answer.add(new Point(x, y)); } } try { src = loadImg(); int height = modifyHeight(src.getWidth(), src.getHeight()); mod = resizeImg(src, TOTAL_WIDTH, height, BufferedImage.TYPE_INT_ARGB); } catch (IOException exception) { JOptionPane.showMessageDialog(this, "Image is unable to be rendered.", "Error", JOptionPane.ERROR_MESSAGE); } height = mod.getHeight(null); width = mod.getWidth(null); for (int x = 0; x < 4; x++) { for (int y = 0; y <3; y++) { img = createImage(new FilteredImageSource(mod.getSource(), new CropImageFilter(x * width / 3, y * height / 4, (width / 3), height / 4))); Buttons button = new Buttons(img); button.putClientProperty("position", new Point(x, y)); if (x == 3 && y == 2) { emptyButton = new Buttons(); emptyButton.setBorderPainted(false); emptyButton.setContentAreaFilled(false); emptyButton.setEmptyButton(); emptyButton.putClientProperty("position", new Point(x, y)); } else { buttons.add(button); } } } Collections.shuffle(buttons); buttons.add(emptyButton);
- 3. for (int z = 0; z < TOTAL_BUTTONS; z++) { Buttons button = buttons.get(z); panel.add(button); button.setBorder(BorderFactory.createLineBorder(Color.black)); button.addActionListener(new Click()); } JFrame frame = new JFrame("Tile Slider"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(new Game()); frame.pack(); frame.setVisible(true); frame.setLocationRelativeTo(null); frame.setResizable(false); } private BufferedImage loadImg() throws IOException { BufferedImage bufferedImage = ImageIO.read(new File("src/pond.jpg")); return bufferedImage; } private BufferedImage resizeImg(BufferedImage natural, int width, int height, int type) { BufferedImage adjustedImg = new BufferedImage(width, height, type); Graphics2D graphics = adjustedImg.createGraphics(); // draw image to fit inside our window and return graphics.drawImage(natural, 0, 0, width, height, null); graphics.dispose(); return adjustedImg; } private int modifyHeight(int width, int height) { double widthRatio = TOTAL_WIDTH / (double) width; int modHeight = (int) (height * widthRatio); return modHeight; } private class Click extends AbstractAction { @Override public void actionPerformed(ActionEvent event) { check(event); isCorrectConfiguration();
- 4. } private void check(ActionEvent event) { int emptyButtonIndex = 0; for (Buttons btn: buttons) { if (btn.getEmptyButton()) { emptyButtonIndex = buttons.indexOf(btn); } } JButton btn = (JButton) event.getSource(); int buttonIndex = buttons.indexOf(btn); if ((buttonIndex + 1 == emptyButtonIndex) || (buttonIndex + 3 == emptyButtonIndex) || (buttonIndex - 1 == emptyButtonIndex) || (buttonIndex - 3 == emptyButtonIndex)) { Collections.swap(buttons, emptyButtonIndex, buttonIndex); update(); } } private void update() { panel.removeAll(); for (JComponent btn: buttons) { panel.add(btn); } panel.validate(); } } public void isCorrectConfiguration() { ArrayList<Point> userState = new ArrayList<Point>(); for (JComponent btn: buttons) { userState.add((Point) btn.getClientProperty("position")); } if (comparePuzzleState(answer, userState)) { JOptionPane.showMessageDialog(panel, "You have completed the puzzle!");
- 5. } } public static boolean comparePuzzleState(ArrayList<Point> list1, ArrayList<Point> list2) { return list1.toString().contentEquals(list2.toString()); } public static void main(String[] args) { EventQueue.invokeLater(() -> { Game slidePuzzle = new Game(); slidePuzzle.setVisible(true); }); } }