Matrix in java program

Computer Science Level pending

the output of the program below is a matrix. how the results of the sum of the diagonal matrix 

1
2
3
4
5
6
7
8
 
int n[][] = {{2,4,8},{5,3,1},{0,7,9}};

for (j = 0; 3 > j; j++) {
    System.out.print("|");
    for (int k = 0; 3 > k; k++) {
        System.out.print(" " + n[j][k] + " ");}
        System.out.println("|");
    }


The answer is 14.

Idang Wahyuddin by Idang Wahyuddin , 25, Indonesia

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2 solutions

Raj Maiti
Mar 22, 2014

result will b 14

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Chenna Kesavulu
Mar 21, 2014

class Matrix { public static void main(String ar[]) { int sum=0; int n[][] = {{2,4,8},{5,3,1},{0,7,9}}; 

for(int i=0;i<3;i++)
{
for(int j=0;j<3;j++)
{
    if(((i==0)&&(j==0))||((i==1)&&(j==1))||((i==2)&&(j==2)))
    sum+=n[i][j];
}
}

System.out.println(sum); } }

0 Helpful 0 Interesting 0 Brilliant 0 Confused

this is solution for previous question which is sum of diagonal matrix

chenna kesavulu - 7 years, 2 months ago

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