本文档主要列出了java语言程序设计进阶篇中的部分重要且典型的编程题，包括进度条，聊天软件，使用选项卡，使用弹出式菜单，使用JFileChooser等-This document lists the java programming language, advanced, and some important papers in a typical programming problems, including the progress bar, chat software, use tabs, use the pop-up menu, such as use of JFileChooser