Question

Use Java GUI create following:

Task 1: A basic UI with a button and a TextField, when you press the button, set the button text to the current text field contents.

Task 2: set the text field text to the mouse coordinates when that same button is pushed.

Answer 1

Task1

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

public class GUI {
        static JFrame frame = new JFrame("JFrame Example");
        static JTextField str = new JTextField(10);

        public static void main(String s[]) {
                JPanel panel = new JPanel();
                panel.setLayout(null);
                str.setBounds(220, 50, 100, 30);
                JButton convert = new JButton();
                convert.setText("Click");
                convert.setBounds(200, 150, 100, 20);

                convert.addActionListener(new ActionListener() {
                        public void actionPerformed(ActionEvent e) {
                                str.setText(e.getActionCommand());
                        }
                });
                panel.add(str);
                panel.add(convert);
                frame.add(panel);
                frame.setSize(600, 300);
                frame.setLocationRelativeTo(null);
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.setVisible(true);
        }
}

Task2:

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;

public class GUI {
        static JFrame frame = new JFrame("JFrame Example");
        static JTextField str = new JTextField(10);
        static int x,y;
        public static void main(String s[]) {
                JPanel panel = new JPanel();
                panel.setLayout(null);
                str.setBounds(220, 50, 100, 30);
                JButton convert = new JButton();
                convert.setText("Click");
                convert.setBounds(200, 150, 100, 20);

                convert.addActionListener(new ActionListener() {
                        public void actionPerformed(ActionEvent e) {
                                str.setText(x+","+y);
                        }
                });
        frame.addMouseListener(new MouseListenerImpl());  

                panel.add(str);
                panel.add(convert);
                frame.add(panel);
                frame.setSize(600, 300);
                frame.setLocationRelativeTo(null);
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.setVisible(true);
        }
}
class MouseListenerImpl implements MouseListener{

        @Override
        public void mouseClicked(MouseEvent aE) {
                // TODO Auto-generated method stub
                
        }

        @Override
        public void mouseEntered(MouseEvent aE) {
                GUI.x=aE.getX();
                GUI.y=aE.getY();
                System.out.println(GUI.x);
                System.out.println(GUI.y);
        }

        @Override
        public void mouseExited(MouseEvent aE) {
                // TODO Auto-generated method stub
                
        }

        @Override
        public void mousePressed(MouseEvent aE) {
                // TODO Auto-generated method stub
                
        }

        @Override
        public void mouseReleased(MouseEvent aE) {
                // TODO Auto-generated method stub
                
        }
        
}

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