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2. (20 pts) When a user clicks on a cell that has a 0 count reveal adjacent cells as follows: a. (10 pts) All adjacent and co
Please use my code to implement the above instructions.
My Grid class:
import java.util.ArrayList;
import java.util.Collections;

class Grid {
private boolean bombGrid[][];
private int countGrid[][];
private int numRows;
private int numColumns;
private int numBombs;

public Grid() {
this(10, 10, 25);
}
  
public Grid(int rows, int columns) {
this(rows, columns, 25);
}
  
public Grid(int rows, int columns, int numBombs) {
this.numRows = rows;
this.numColumns = columns;
this.numBombs = numBombs;

createBombGrid();
createCountGrid();
}
  
public int getNumRows() {
return numRows;
}

public int getNumColumns() {
return numColumns;
}

public int getNumBombs() {
return numBombs;
}

public boolean[][] getBombGrid() {
boolean[][] result = new boolean[numRows][numColumns];
for (int i = 0; i < numRows; i++) {
System.arraycopy(bombGrid[i], 0, result[i], 0, bombGrid[i].length);
}
return result;
}

public int[][] getCountGrid() {
int[][] result = new int[numRows][numColumns];
for (int i = 0; i < numRows; i++) {
System.arraycopy(countGrid[i], 0, result[i], 0, countGrid[i].length);
}
return result;
}

public boolean IsBombAtLocation(int row, int column) {
return (bombGrid[row][column]);
}

public int getCountAtLocation(int row, int column) {
int count = 0;
if (IsBombAtLocation(row, column)) {
count++;
}

if (row + 1 < numRows) {
if (IsBombAtLocation(row + 1, column))
count++;
if (column + 1 < numColumns) {
if (IsBombAtLocation(row + 1, column + 1))
count++;
}

if (column - 1 >= 0) {
if (IsBombAtLocation(row + 1, column - 1))
count++;
}
}

if (row - 1 >= 0) {
if (IsBombAtLocation(row - 1, column))
count++;
if (column - 1 >= 0) {
if (IsBombAtLocation(row - 1, column - 1))
count++;
}

if (column + 1 < numColumns) {
if (IsBombAtLocation(row - 1, column + 1))
count++;
}

}

if (column + 1 < numColumns) {
if (IsBombAtLocation(row, column + 1))
count++;
}

if (column - 1 >= 0) {
if (IsBombAtLocation(row, column - 1))
count++;
}
return count;
}

private void createBombGrid() {
bombGrid = new boolean[numRows][numColumns];
for (int i = 0; i < numRows; i++) {
for (int j = 0; j < numColumns; j++) {
bombGrid[i][j] = false;
}
}

ArrayList<Integer> list = new ArrayList<Integer>();
for (int i = 1; i < numRows * numColumns; i++) {
list.add(new Integer(i));
}

Collections.shuffle(list);
for (int i = 0; i < numBombs; i++) {
int number = (list.get(i));
int row = new Integer(number / numColumns);
int column = new Integer(number % numColumns);

bombGrid[row][column] = true;
}
}

private void createCountGrid() {
countGrid = new int[numRows][numColumns];
for (int i = 0; i < numRows; i++) {
for (int j = 0; j < numColumns; j++) {
countGrid[i][j] = getCountAtLocation(i, j);
}
}
};


public static void main(String args[]) {
Grid minesweep = new Grid();

int rows = minesweep.getNumRows();

int columns = minesweep.getNumColumns();

boolean[][] bombgrid = minesweep.getBombGrid();

for (int i = 0; i < rows; i++) {

for (int j = 0; j < columns; j++) {

System.out.print(bombgrid[i][j] ? "T" : "F");

}

System.out.println("");

}

System.out.println("");

int[][] countgrid = minesweep.getCountGrid();

for (int i = 0; i < rows; i++) {

for (int j = 0; j < columns; j++) {

System.out.print(countgrid[i][j] + "");

}

System.out.println("");
}
};

}

engineering   Computer-Science   
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Homework Answers

Answer #1

Program File

filename: Grid.java

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.lang.*;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.ImageIcon;
import java.awt.Color;
import javax.swing.*;

public class Grid {

// data members
private boolean[][] bombGrid;
private int[][] countGrid;
private int numRows;
private int numColumns;
private int numBombs;
static int numToWin = 0;
static int numFlags = -1;
static int lost = 0;
static boolean playAgain = true;
static int numWins = 0;

/**
* Constructor
*/
public Grid() {
this.numRows = 10;
this.numColumns = 10;
this.bombGrid = new boolean[10][10];
this.countGrid = new int[10][10];
this.numBombs = 25;
createBombGrid();
createCountGrid();
}

/**
* Constructor
*/
public Grid(int rows, int columns) {
this.numRows = rows;
this.numColumns = columns;
this.bombGrid = new boolean[rows][columns];
this.countGrid = new int[rows][columns];
this.numBombs = 25;
createBombGrid();
createCountGrid();
}

/**
* Constructor
*/
public Grid(int rows, int columns, int numBombs) {
this.numRows = rows;
this.numColumns = columns;
this.bombGrid = new boolean[rows][columns];
this.countGrid = new int[rows][columns];
this.numBombs = numBombs;
createBombGrid();
createCountGrid();
}

/**
* creates a bomb grid
*/
public void createBombGrid() {
for (int i = 0; i < numRows; i++) {
for (int j = 0; j < numColumns; j++) {
bombGrid[i][j] = false;
}
}
for (int i = 0; i < numBombs; i++) {
int rand1 = (int) (Math.random() * numRows);
int rand2 = (int) (Math.random() * numColumns);
if (bombGrid[rand1][rand2]) {
i--;
} else {
bombGrid[rand1][rand2] = true;
}
}
}

/**
* returns count at a given location
* @param row
* @param column
* @return
*/
public int getCountAtLocation(int row, int column) {
int bombCount = 0;
if (row > 0 && column < numColumns - 1 && bombGrid[row - 1][column + 1] == true) {
bombCount++;
}
if (column < numColumns - 1 && bombGrid[row][column + 1] == true) {
bombCount++;
}
if (row < numRows - 1 && column < numColumns - 1 && bombGrid[row + 1][column + 1] == true) {
bombCount++;
}
if (row > 0 && bombGrid[row - 1][column] == true) {
bombCount++;
}
if (bombGrid[row][column] == true) {
bombCount++;
}
if (row < numRows - 1 && bombGrid[row + 1][column] == true) {
bombCount++;
}
if (row > 0 && column > 0 && bombGrid[row - 1][column - 1] == true) {
bombCount++;
}
if (column > 0 && bombGrid[row][column - 1] == true) {
bombCount++;
}
if (row < numRows - 1 && column > 0 && bombGrid[row + 1][column - 1] == true) {
bombCount++;
}
return bombCount;
}

/**
* creates count grid
*/
public void createCountGrid() {
for (int i = 0; i < numRows; i++) {
for (int j = 0; j < numColumns; j++) {
countGrid[i][j] = getCountAtLocation(i, j);
}
}
}

/**
* returns numRows
* @return
*/
public int getNumRows() {
return this.numRows;
}

/**
* returns numColumns
* @return
*/
public int getNumColumns() {
return this.numColumns;
}

/**
* returns numBombs
*/
public int getNumBombs() {
return this.numBombs;
}

/**
* returns bombGrid
* @return
*/
public boolean[][] getBombGrid() {
return this.bombGrid;
}

/**
* returns countGrid
* @return
*/
public int[][] getCountGrid() {
return this.countGrid;
}

/**
* return whether bomb is at a given location
* @param row
* @param column
* @return
*/
public boolean isBombAtLocation(int row, int column) {
return bombGrid[row][column];
}

/**
* creates a new game
*/
public static void createGame() {
Grid bombGrid = new Grid(14, 14, 40);
JFrame appFrame = new JFrame();
appFrame.setSize(bombGrid.getNumColumns() * 60 + 150, bombGrid.getNumRows() * 60);
appFrame.setTitle("Grid");
appFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JTextField tf = new JTextField();
for (int i = 0; i < bombGrid.getNumRows(); i++) {
for (int j = 0; j < bombGrid.getNumColumns(); j++) {
JButton label = new JButton();
label.setBounds(i * 50, j * 50, 50, 50);
label.setVisible(true);
if (i == bombGrid.getNumRows() || j == bombGrid.getNumColumns()) {
label.setVisible(false);
}
appFrame.add(label);
appFrame.setLayout(null);
label.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
ImageIcon redFlag = new ImageIcon("redflag.png");
JButton flag = new JButton(redFlag);
flag.setIcon(redFlag);
flag.setBounds(label.getLocation().x, label.getLocation().y, 50, 50);
flag.setVisible(true);
if (lost == 0) {
appFrame.add(flag);
label.setVisible(false);
}
numFlags++;
System.out.println("Number of mines identified: " + numFlags + "/" + bombGrid.getNumBombs());
if (lost == 0) {
flag.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
flag.setVisible(false);
JButton dig = new JButton();
dig.setBounds(label.getLocation().x, label.getLocation().y, 50, 50);
dig.setVisible(true);
appFrame.add(dig);
if (bombGrid.isBombAtLocation((int) (label.getLocation().y / 50), (int) (label.getLocation().x / 50))) {
dig.setText("Bomb");
dig.setVisible(true);
dig.setBackground(Color.RED);
dig.setOpaque(true);
JFrame mainFrame = new JFrame("Java Swing Examples");
mainFrame.setSize(400,400);
JFrame f;
f=new JFrame();
int input = JOptionPane.showOptionDialog(null, "You lost. Would you like to play again?", "Game Over", JOptionPane.OK_CANCEL_OPTION, JOptionPane.INFORMATION_MESSAGE, null, null, null);
if(input == JOptionPane.OK_OPTION)
{
appFrame.setVisible(false);
createGame();
}
} else {
numFlags--;
dig.setText(Integer.toString(bombGrid.getCountAtLocation((int) (label.getLocation().y / 50), (int) (label.getLocation().x / 50))));
dig.setBackground(Color.GREEN);
dig.setOpaque(true);
System.out.println("NumToWin = " + numToWin);
if (numToWin == bombGrid.getNumColumns() * bombGrid.getNumRows() - bombGrid.getNumBombs()) {
JFrame mainFrame = new JFrame("Java Swing Examples");
mainFrame.setSize(400,400);
JFrame f;
f=new JFrame();
int input = JOptionPane.showOptionDialog(null, "You won! Would you like to play again?", "Game Over", JOptionPane.OK_CANCEL_OPTION, JOptionPane.INFORMATION_MESSAGE, null, null, null);
if(input == JOptionPane.OK_OPTION)
{
appFrame.setVisible(false);
createGame();
}
numWins++;
}
}
}
});
}
}
});
}
}
appFrame.setVisible(true);

}

/**
* main method starts a game
*/
public static void main(String[] args) {
createGame();
}

}

import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.lang.*; import javax.swing.JButton; impo

this.numRows = rows; this.numColumns = columns; this.bombGrid = new boolean[rows][columns]; this.countGrid = new int[rows][co

109 110 111 if (row > 0 && column > 0 && bombGrid[row - 1][column - 1] == true) { bombCount++; if (column > 0 && bombGrid[row

* returns countGrid * @return 163 164 165 166 167 168 169 170 171 public int[][] getCountGrid() { return this.countGrid; 172

public void actionPerformed(ActionEvent e) { flag.setVisible(false); JButton dig = new JButton(); dig.setBounds (label.getLoc

269 * main method starts a game 272 putih public static void main(String[] args) { createGame(); tekem volta main(stringt ara

Output

Grid Game Over (i You lost. Would you like to play again? Ok Cancel

Hope this helps!

Please let me know if any changes needed.

Thank you!

I hope you're safe during the pandemic.

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