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    Java Program to find the sum of each row and each column of a matrix

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    Java Program to find the sum of each row and each column of a matrix

    In this example, we will create a java program to calculate the sum of elements in each row and each column of the given matrix.

    Program:
    
public class Main
{    
public static void main(String[] args) 
{    
int rows, cols, sumRow, sumCol;    
int a[][] = {       
{1, 2, 3},    
{4, 5, 6},    
{7, 8, 9}    
};    
rows = a.length;    
cols = a[0].length;    
for(int i = 0; i < rows; i++){    
sumRow = 0;    
for(int j = 0; j < cols; j++){    
sumRow = sumRow + a[i][j];    
}    
System.out.println("Sum of " + (i+1) +" row: " + sumRow);    
}    
for(int i = 0; i < cols; i++){    
sumCol = 0;    
for(int j = 0; j < rows; j++){    
sumCol = sumCol + a[j][i];    
}    
System.out.println("Sum of " + (i+1) +" column: " + sumCol);    
}    
}    
}
    Output
    Sum of 1 row: 6
    Sum of 2 row: 15
    Sum of 3 row: 24
    Sum of 1 column: 12
    Sum of 2 column: 15
    Sum of 3 column: 18
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