109.3.. Učitati dvodimenzionalni niz - matricu nxm. Izračunati i ispisati sumu elemenata pete kolone niza X[n,m]

Opis programa:

Tekstualni algoritam:

Listing programa:

package prvipaket;
import java.util.Scanner;
public class p10913005 {

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);

		System.out.print("unesi broj redova i kolona ");

		int r = input.nextInt();
		int k = input.nextInt();
		int niz[][] = new int[r][k];

		System.out.print("unesi clanove ");
		for (int i = 0; i < niz.length; i++) {
			for (int j = 0; j < niz[i].length; j++) {
				System.out.print("X[" +i+ "," +j +"]"+ "-->");
				niz[i][j] = input.nextInt();
			}
		}
		for (int i = 0; i < niz.length; i++) {
			System.out.println();
			for (int j = 0; j < niz[i].length; j++) {
				System.out.print(niz[i][j] + " ");
			}
		}
		System.out.println();
		int s = 0;
		int j = 5;   		// 5. kolona
		for (int i = 0; i < niz.length; i++)
			s = s + niz[i][j];
		System.out.print("Suma 5. kolone: " + s);
	}
}

Ispis na ekranu:

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