How to print matrix in java

Matrix Manipulation in java

Description : To print sum of all values of matrix in java


 import java.util.Scanner;


/**
* +belazy 
*/

/**
* @author BlackBery
*
*/
public class MatrixDiagonal {

private int [][]matrix = null;
private Scanner sc = null;

public MatrixDiagonal() {
matrix = new int[3][3];
}

public static void main(String[] args) {
MatrixDiagonal md = new MatrixDiagonal();
md.getMatrixValues();
md.showMatrix();
md.computeValue();
}

private void computeValue() {

int sum = 0;

for(int row = 0; row < 3 ; row ++){
for(int col =0; col col){
sum = sum + matrix[row][col];
}

}
}
System.out.println(sum);

}

private void showMatrix() {
for(int row = 0; row < 3 ; row ++){
for(int col =0; col < 3; col ++ ){
System.out.print(matrix[row][col]+"\t");
}
System.out.println();
}

}

private void getMatrixValues() {
sc = new Scanner(System.in);
System.out.println(" Enter values ");

for(int row = 0; row < 3 ; row ++){
for(int col =0; col < 3; col ++ ){
matrix[row][col] = sc.nextInt();
}
}

}

}

java blog