Write a java program to display multiplication table of a given number into the List box by clicking on button. -Core Java Slip 12

 

Write a java program to display multiplication table of a given number into the List box by clicking on button.

 

import javax.swing.*;

import java.awt.*;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

 

public class MultiplicationTableApp extends JFrame {

    private JTextField numberField;

    private JButton displayButton;

    private JList<String> tableList;

 

    public MultiplicationTableApp() {

        setTitle("Multiplication Table");

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        setSize(300, 400);

 

        JPanel panel = new JPanel();

        panel.setLayout(new GridLayout(3, 1));

 

        numberField = new JTextField();

        displayButton = new JButton("Display");

        DefaultListModel<String> tableModel = new DefaultListModel<>();

        tableList = new JList<>(tableModel);

 

        displayButton.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                tableModel.clear();

                String numberInput = numberField.getText();

 

                try {

                    int number = Integer.parseInt(numberInput);

 

                    for (int i = 1; i <= 10; i++) {

                        int result = number * i;

                        tableModel.addElement(number + " x " + i + " = " + result);

                    }

                } catch (NumberFormatException ex) {

                    tableModel.addElement("Invalid input. Please enter a valid number.");

                }

            }

        });

 

        panel.add(numberField);

        panel.add(displayButton);

        panel.add(new JScrollPane(tableList));

 

        add(panel);

    }

 

    public static void main(String[] args) {

        SwingUtilities.invokeLater(() -> {

            MultiplicationTableApp app = new MultiplicationTableApp();

            app.setVisible(true);

        });

    }

}

 

C:\Program Files\Java\jdk-11.0.17\bin>javac MultiplicationTableApp.java

 

C:\Program Files\Java\jdk-11.0.17\bin>java MultiplicationTableApp