How to set multidimensional array into JTable with Java?

To set multidimensional array into a table, we need the values for rows and columns. Therefore, create a multidimensional array for rows −

Integer[][] marks = {
   { 70, 66, 76, 89, 67, 98 },
   { 67, 89, 64, 78, 59, 78 },
   { 68, 87, 71, 65, 87, 86 },
   { 80, 56, 89, 98, 59, 56 },
   { 75, 95, 90, 73, 57, 79 },
   { 69, 49, 56, 78, 76, 77 }
};

Now, columns −

String students[] = { "S1", "S2", "S3", "S4", "S5", "S6"};

Add the rows and columns set above to the table −

JTable table = new JTable(marks, students);

The following is an example to set multidimensional array into JTable −

Example

package my;
import java.awt.Font;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
public class SwingDemo {
   public static void main(String[] argv) throws Exception {
      Integer[][] marks = {
         { 70, 66, 76, 89, 67, 98 },
         { 67, 89, 64, 78, 59, 78 },
         { 68, 87, 71, 65, 87, 86 },
         { 80, 56, 89, 98, 59, 56 },
         { 75, 95, 90, 73, 57, 79 },
         { 69, 49, 56, 78, 76, 77 } 
      };
      String students[] = { "S1", "S2", "S3", "S4", "S5", "S6"};
      JTable table = new JTable(marks, students);
      Font font = new Font("Verdana", Font.PLAIN, 12);
      table.setFont(font);
      table.setRowHeight(30);
      JFrame frame = new JFrame();
      frame.setSize(600, 400);
      frame.add(new JScrollPane(table));
      frame.setVisible(true);
   }
}

The output is as follows displaying student marks in a JTable with multidimensional array −

Output

Smita Kapse

Updated on: 30-Jul-2019

530 Views

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