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Commit 69702fd

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some more code
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‎.idea/workspace.xml

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package com.example.hello_world_package;
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseListener;
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public class Event_handling_in_java {
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public static void main(String[] args) {
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JFrame frame = new JFrame("JFRAME");
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Panel panel = new Panel();
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//CREATE A SOURCE OF EVENT
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JButton jButton = new JButton("CLICK ME");
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panel.add(jButton);
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frame.add(panel);
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frame.setSize(400,400);
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frame.setVisible(true);
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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//Implement a Listener
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ActionListener actionListener = new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent actionEvent) {
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jButton.setBackground(Color.RED);
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}
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};
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//Another Example of Listener
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MouseListener mouseListener = new MouseListener() {
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@Override
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public void mouseClicked(MouseEvent mouseEvent) {
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}
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@Override
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public void mousePressed(MouseEvent mouseEvent) {
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}
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@Override
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public void mouseReleased(MouseEvent mouseEvent) {
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}
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@Override
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public void mouseEntered(MouseEvent mouseEvent) {
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jButton.setBackground(Color.BLUE);
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}
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@Override
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public void mouseExited(MouseEvent mouseEvent) {
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jButton.setBackground(Color.GREEN);
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}
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};
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//register the actionListener to an event source
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jButton.addActionListener(actionListener);
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jButton.addMouseListener(mouseListener);
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}
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}

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