Sum of Each Row of A Matrix
Sum of Each Row of A Matrix: Program: import java.util.*; public class MatrixRowSum { public static void main(String[] args) { int r, c; Scanner s = new Scanner(System.in); r = s.nextInt(); c = s.nextInt(); int[][] matrix = new int[r][c]; for(int i = 0; i<r; i++) { for(int j = 0; j<c;j++) { matrix[i][j] = s.nextInt(); } } int sum = 0; for(int i = 0; i<r; i++) { sum = 0; for(int j = 0;j<c; j++) { sum += matrix[i][j]; } System.out.println(i+1 + " " + "Row sum is: " + ""+ sum); } } } Output: 1) 3 3 1 2 3 4 5 6 7 8 9 1 Row sum is: 6 2 Row sum is: 15 3 Row sum is: 24 2) 3 4 1 2 3 4 5 6 7 8 9 10 11 12 1 Row sum is: 10 2 Row sum is: 26 3 Row sum is: 42 ...