Question: Write a recursive method that counts the number of mines on a grid. A mine is defined as a contig……

Write a recursive method that counts the number of mines on a grid. A mine is defined as a contiguous collection of X’s (connected horizontally and vertically). In java language


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Max dimensions of the array

Distribution of mines on the array


The number of mines and the layout of the grid showing the locations of the mines.

Requirements checklist:

❑ Documented source code (include any assumptions you make)

Input File (in.txt)

The format of the input file is as follows: First line is the dimensions of the grid.. Then the grid containing 1s for the creatures and 0s for the spaces. The file terminates by 0 0.

5 5






5 5






0 0

Output File (out.txt)

Experiment # 1

Number of Mines: 1

0 0 0 0 0

0 1 1 1 0

0 0 0 0 0

0 0 0 0 0

0 0 0 0 0

Experiment #2

Number of Mines: 3

0 0 0 0 1

0 2 2 2 0

3 0 0 0 0

0 0 0 0 0

0 0 0 0 0

Marking Scheme

Out of





Meaningful variable names


Correct input format


Correct output format








Expert Answer






import java.util.Scanner;

public class Mine {

public static void main(String[] args) throws IOException {

//for reading

File file =

new File(“D:\mine.txt”);

Scanner sc = null;

//For writing

FileWriter writer =null;

try {

//To scan the file

writer = new FileWriter(“D:\out.txt”, true);

sc = new Scanner(file);

} catch (Exception e) {



int l=0;

//reading line from input file



int m=0;

String[] data=sc.nextLine().split(” “);

int row=Integer.parseInt(data[0]);

int col=Integer.parseInt(data[1]);

int [][] result=new int[row][col];

int i=0,j=0;

//reading mine rows



boolean flag=true;

String line=sc.nextLine();

//reading mine columns


char value=line.charAt(j);














//writing in out.txt if row > 0


writer.write(“Experiment # “+l);


writer.write(“Number of Mines:”+m);


for(int temp[]:result){

for(int temp1:temp){

writer.write(temp1+” “);









workspace-lava Eile Edit Source Refactor Navigate Search Project un Window Help Eclipse Quick Access 慍package Explorer X ES p▽-a Main.Java D calculateScore Java Hote·java J javadQuestion-Java T MinejavaX flag-false; result[i][j]-m; out Notepad File Edit Format View Help Experiment # 1 Number of Mines:1 0 1 1 1 0 Experiment # 2 Number of Mines:3 0 0 0 8 1 0 2 2 2 0 3 0 0 0 8 12:02 Type here to search 恤脈40) 03-11-2018

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