java-taining/matrix_multiplication.java at main · vignesh-005/java-taining · GitHub

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import java.util.*;
class Main
{
  public static void main(String args[])
  {
    Scanner sc = new Scanner(System.in);
    //Try out your code here
    int r = sc.nextInt();
    int c = sc.nextInt();

    int mat1[][] = new int[r][c];
    int mat2[][] = new int[r][c];

    int mul[][] = new int[r][c];
    for(int i=0; i<r; i++)
    {
       for(int j=0; j<c; j++)
       {
		 mat1[i][j] = sc.nextInt();
       }
    }

      for(int i=0; i<r; i++)
    {
       for(int j=0; j<c; j++)
       {
		 mat2[i][j] = sc.nextInt();
       }
    }


    for(int i=0; i<r; i++)
    {
      for(int j=0; j<c; j++){
          for(int k=0; k<r; k++){

              mul[i][j] +=  mat1[i][k]*mat2[k][j];

          }
      }

    }

    for(int i=0; i<r; i++){
        for (int j=0; j<c; j++){
            System.out.print(mul[i][j]+" ");
        }
        System.out.println();
    }
  }
}