Java

ButtonGroup bgTableButtons = new ButtonGroup();

    JRadioButton[] rbTable = new JRadioButton[13];

        int y = 20;
        for (int i = 1; i < rbTable.length; i++)
            {
                rbTable[i] = new JRadioButton(Integer.toString(i) + " Times");
                rbTable[i].setActionCommand(Integer.toString(i));
                rbTable[i].setBounds(320, y, 80, 20);
                bgTableButtons.add(rbTable[i]);
                panel.add(rbTable[i]);
                y = y + 20;
            } //End of for loop

if(rbTable[1].isSelected())
{
   userText.setText("Button 1");
}
else if(rbTable[2].isSelected())
{
    userText.setText("Button 2");
} // End of if

void getSecond(int secondNum){
 displayTable.setText("\n"); //Clear the displayTable
 int firstNum, answerNum;
     for (firstNum = 1; firstNum <=12; firstNum ++){
         answerNum = firstNum * secondNum;
         displayTable.append(firstNum + " x " + secondNum + " = " + answerNum +"\n");
      }

import javax.swing.*;
import java.awt.Color;
import java.awt.Font;
import javax.swing.BorderFactory; 
import javax.swing.border.Border;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class MyTables
{

	public static void main(String[] args) 
	{
		JFrame frame = new JFrame("Tables"); // Creating instance of JFrame
        frame.setSize(800, 600); // Setting the width and height of frame
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
		JPanel panel = new JPanel(); //Creating panel. Inside panels we can add textfields, buttons and other components.
		panel.setBorder(BorderFactory.createLineBorder(Color.RED));
        frame.add(panel); // Add panel to frame
        placeComponents(panel);  //Call user defined method for adding components to the panel.
		frame.setVisible(true); // Setting the frame visibility to true
    }

	private static void placeComponents(JPanel panel) 
	{
			panel.setLayout(null);
			JTextArea displayTable = new JTextArea("Text Area");
			displayTable.setEditable(false);
			displayTable.setColumns(20);
			displayTable.setFont(new Font("Times New Roman", 1, 14));
			displayTable.setLineWrap(true);
			displayTable.setRows(14);
			displayTable.setWrapStyleWord(true);
			displayTable.setBounds(200,20,230,260); 
			displayTable.setBorder(BorderFactory.createLineBorder(Color.GREEN));
			displayTable.setMaximumSize(new java.awt.Dimension(5, 22));
			panel.add(displayTable);
			
			JLabel userLabel = new JLabel("Enter a Number");  // Creating JLabel
			userLabel.setHorizontalAlignment(SwingConstants.CENTER);
			userLabel.setFont(new Font("Verdana", Font.ITALIC, 16)); //set font
			userLabel.setBounds(10,20,180,25); // Specifies the location and size of component. (x,y,x1,y1)
			userLabel.setBorder(BorderFactory.createLineBorder(Color.BLUE));	
			panel.add(userLabel); // Add Label to panel

			JTextField userText = new JTextField(20); //Create a textfield
			userText.setBounds(10,50,165,25);
			panel.add(userText); // Add TextField to pane

			JButton loginButton = new JButton("Enter"); // Create button
			loginButton.setBounds(10, 80, 80, 25);
			panel.add(loginButton); // Add loginButton to panel
			
			 
		loginButton.addActionListener(new ActionListener()
		{
			public void actionPerformed(ActionEvent e)
				{
					//getSecond(6);
					displayTable.setText("Button Pressed");
				}

		});
    }		
}

private static void placeComponents(JPanel panel)
{
        panel.setLayout(null);
        JTextArea displayTable = new JTextArea("Text Area");
        displayTable.setEditable(false);
        displayTable.setColumns(20);
        displayTable.setFont(new Font("Times New Roman", 1, 14));
        displayTable.setLineWrap(true);
        displayTable.setRows(14);
        displayTable.setWrapStyleWord(true);
        displayTable.setBorder(BorderFactory.createLineBorder(Color.GREEN));
        displayTable.setMaximumSize(new java.awt.Dimension(5, 22));
        panel.add(displayTable);

private void btnNextActionPerformed(java.awt.event.ActionEvent evt) {
    if(check()) // Check answer
        count=count+1;
    current++;
        set();  //Next question
if(current==9)
{
     JOptionPane.showMessageDialog(this,"Correct Answers = "+count);
     btnNext.setEnabled(false);
        //b2.setText("Result");
}
}

void set()
	{
		rbSetQuestion.setSelected(true);
		if(current==0)
		{
			lblQuestions.setText("Question1: Which one among these is not a datatype");
			rbChoice_1.setText("int");rbChoice_2.setText("Float");rbChoice_3.setText("boolean");rbChoice_4.setText("char");	
		}
		if(current==1)
		{
			lblQuestions.setText("Question2: Which class is available to all the class automatically");
			rbChoice_1.setText("Swing");rbChoice_2.setText("Applet");rbChoice_3.setText("Object");rbChoice_4.setText("ActionEvent");
		}