/关于软件类 package classsource; import java.awt.*;//倒包 import java.awt.event.*;//倒包 import javax.swing.*;//倒包 public class About extends JInternalFrame { JLabel label = new JLabel("运行环境：Windows");//创建标签并实例化 JLabel labe2 = new JLab
Copyright iv Deitel® Books, Cyber Classrooms, Complete Training Courses and Web-Based Training Courses published by Prentice Hall ii Preface xxv Features in Java How to Program, 6/e xxvi Teaching Approach xxix Tour of the Book xxxiii A Tour of the O
