How could I print a 2D array in Java to a window in Swing / JOptionPane

801 Views Asked by Samuelf80 At 19 October 2024 at 19:18

I am really stumped. I cant find anywhere how to print this table as a window (like ShowMessageDialog) in JOptionPane just as it would print in the console the desired output

Here is my code:

import javax.swing.JOptionPane;
import java.util.*;
public class StarWars {

    public static void main(String[] args) {
        String [][] gridPlayer = new String [6][6];
        Scanner kb = new Scanner (System.in);

        String [] rows = {"A", "B", "C", "D", "E", "F", "G", "H"};

        for (int i = 0; i < 6; i++){
            for (int j = 0; j < 6; j++){

                gridPlayer[i][j] = " ~ ";
            }
        }
        System.out.print("  ");
        for (int i = 0; i < 6; i++){
            System.out.print(" " + rows[i] + " ");
        }
        System.out.println();
        for (int i = 0; i < 6; i++){
            System.out.print(" " + i);
            for (int j = 0; j < 6; j++){
                System.out.print(gridPlayer[i][j]);
            }

            System.out.println();

        }

        JOptionPane.showMessageDialog(null, for (int i));

    }

}

If anyone would know how to do this, your help would be throughougly appreciated.

P.S. StarWars class is present as it is a homework assignment ;)

Original Q&A

There are 1 best solutions below

user7291698 On 19 December 2016 at 14:37 BEST ANSWER

There are many possible approaches, here is one: you can try this with a StringBuilder and put everything into a JLabel using html tags:

    StringBuilder sb = new StringBuilder();
    sb.append("<html>");

    String [][] gridPlayer = new String [6][6];
    Scanner kb = new Scanner (System.in);

    String [] rows = {"A", "B", "C", "D", "E", "F", "G", "H"};

    for (int i = 0; i < 6; i++){
        for (int j = 0; j < 6; j++){

            gridPlayer[i][j] = " ~ ";
        }
    }
    sb.append("&nbsp&nbsp");
    for (int i = 0; i < 6; i++){
        sb.append(" " + rows[i] + " ");
    }
    sb.append("<br>");
    for (int i = 0; i < 6; i++){
        sb.append(" " + i);
        for (int j = 0; j < 6; j++){
            sb.append(gridPlayer[i][j]);
        }

        sb.append("<br>");

    }
    sb.append("</html>");

    JOptionPane.showMessageDialog(null, new JLabel(sb.toString()));

How could I print a 2D array in Java to a window in Swing / JOptionPane

There are 1 best solutions below

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