Sum of 2-D matrix in Java

	import java.util.*;
	public class SumOfMatrices {
	public static void storeValues(int row,int column,String [] array,Scanner sc){
	int x=0,k=0;
	for(int i=0;i<row;i++){
	String elements=sc.nextLine();
	for(int j=1;j<elements.length();j++){
	if(String.valueOf(elements.charAt(j)).equals(" ")){
	array[k]=elements.substring(x,j); //j indicates the index of space
	x=j+1; //x indicates element beginIndex
	k++;
	}
	}
	array[k]=elements.substring(x,elements.length()); //since after space we have more elements
	k++; //to allocate next index for array;
	x=0; //reset beginIndex
	}
	}
	public static void addElement(int row,int column,int [][] matrix,String [] array){
	int g=0;
	for(int i=0;i<row;i++){
	for(int j=0;j<column;j++){
	matrix [i][j]=Integer.parseInt(array[g]);
	g++;
	}
	}
	}
	public static int[][] sumOfMatrix(int row,int column,int row2,int column2,int [][] firstMatrix,int [][] secondMatrix){
	int [][] sumMatrix=new int[0][0];
	if(row==row2&&column==column2){
	sumMatrix=new int[row][column];
	for(int r=0;r<row;r++){
	for(int c=0;c<column;c++){
	sumMatrix [r][c]=firstMatrix [r][c]+secondMatrix [r][c];
	}
	}
	}
	else{
	System.out.println("Summing not possible-row and columns of two matrices do not match");
	}
	return sumMatrix;
	}
	public static void main(String [] args){
	Scanner sc=new Scanner(System.in);
	String dimension=sc.nextLine();
	int row=Integer.parseInt(dimension.substring(0, 1));
	int column=Integer.parseInt(dimension.substring(2,3));
	int [][] firstMatrix=new int[row][column];
	String [] array=new String[row*column];
	storeValues(row,column,array,sc);
	addElement(row,column,firstMatrix,array);
	String dimension2=sc.nextLine();
	int row2=Integer.parseInt(dimension2.substring(0, 1));
	int column2=Integer.parseInt(dimension2.substring(2,3));
	int [][] secondMatrix=new int[row2][column2];
	String [] array2=new String[row2*column2];
	storeValues(row2,column2,array2,sc);
	addElement(row2,column2,secondMatrix,array2);
	int [][] sumOfTwoMatrices=sumOfMatrix(row,column,row2,column2,firstMatrix,secondMatrix);
	for(int r=0;r<row;r++){
	for(int c=0;c<column;c++){
	System.out.print(sumOfTwoMatrices[r][c]+" ");
	}
	System.out.println();
	}
	sc.close();
	}
	}

view raw SumOfMatrices.java hosted with ❤ by GitHub

Output:
Enter the rows and column in a single line leaving space between between them
3 3
Add matrix element leaving space between element in single line row wise
1 2 3
4 5 6
7 8 9
Enter the rows and column in a single line leaving space between between them
3 3
Add matrix element leaving space between element in single line row wise
1 2 3
4 5 6
7 8 9
The sum of Matrix
2 4 6
8 10 12
14 16 18