import java.util.*;
import java.lang.*;
import java.io.*;
 
class Lab08_Build_2dArray
{
	public static void main (String[] args) throws java.lang.Exception
	{
	    Scanner console = new Scanner(System.in);
	    System.out.print("Enter the number of rows: ");
	    int nRows = console.nextInt();
	    nRows = Math.max(0,nRows);
 
	    int ir,ic;
 
	    int[][] data = new int[nRows][];
 
	    for(ir=0;ir<nRows;ir++) {
	        ic = 0;
	        String s = console.nextLine();
	        String[] rowElements = s.split(",");
	        while(ic < rowElements.length) {
	            data[ir][ic] = Integer.parseInt(rowElements[ic]);	
	            ic++;
	        }
	    }
 
	    console.close();
	}
}
 

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Mwo3LDIsOCwwCjMsMiw0LDEKNSw0LDIsMSw3

3
7,2,8,0
3,2,4,1
5,4,2,1,7