JavaSwing写的投球小游戏，完美模拟抛物线！双缓冲解决闪烁，提高游戏体验。所有代码纯手打，每一句都有注释。-JavaSwing write pitching game, perfect simulation parabola! Double buffering fixes flicker, improve the game experience. All code pure hand to play, each one has a comment.

这是用javaswing做的qq程序,使用socket套接字实现,实现了私聊,后台管理,截图，界面美观,可供学习,很好的学习代码，代码有备注。方便初学者学习,另外,这是新的更新版,网上的老版有问题.-This is made of JavaSwing QQ procedures, use socket to realize, realize the private chat, backstage management, screenshots, beautiful interface, for