MANISHA KUMARI
using array
1 Answer(s)      4 years and 10 months ago
Posted in : Java Beginners

column wise total of a matrix?

May 25, 2012 at 4:25 PM

Java sum of individual columns of matrix

The given code determines the sum of individual column of matrix and display them.

```import java.util.*;
class FindSumMatrix{

public static void main(String[] args){
Scanner input = new Scanner(System.in);
int[][] A = new int[3][3];
System.out.println("Enter elements for matrix A : ");
for (int i=0 ; i < A.length ; i++){
for  (int j=0 ; j < A[i].length ; j++){
A[i][j] = input.nextInt();
}
}
int c1=0,c2=0,c3=0;
System.out.println("Matrix A: ");
for (int i=0 ; i < A.length ; i++){
System.out.println();
for(int j=0 ; j < A[i].length ; j++){
System.out.print(A[i][j]+" ");
}
}
for (int i=0 ; i < A.length ; i++){
c1+=A[i][0];
c2+=A[i][1];
c3+=A[i][2];
}
System.out.println();
System.out.println();
System.out.println("Col1: "+c1);
System.out.println("Col2: "+c2);
System.out.println("Col3: "+c3);

}
}
```

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