added buttons

sudokuExample/src/Main2.java

@@ -1,10 +1,13 @@
 import javax.swing.*;
 import javax.swing.border.EmptyBorder;
+import java.awt.*;
 
 public class Main2 {
 
     public static void main(String[] args) {
+
         java.awt.EventQueue.invokeLater(new Runnable() {
+
             @Override
             public void run() {
 
@@ -16,6 +19,15 @@ public class Main2 {
                 yPanel.setLayout(new BoxLayout(yPanel, BoxLayout.Y_AXIS));
                 yPanel.setBorder(new EmptyBorder(1, 0, 1,0));
 
+                JButton jButton1 = new JButton();
+                jButton1.setText("Test Button 1");
+
+                yPanel.add(jButton1);
+
+                JButton jButton2 = new JButton();
+                jButton2.setText("Test Button 2");
+                yPanel.add(jButton2);
+
                 for (int i = 0; i < 9; i++) {
 
                     JPanel xPanel = new JPanel();