采用uml建模的，实现彩色面板滑动的java小程序，java界面开发应用-Uml modeling used to achieve color panel sliding java applets, java application interface development

java 小应用程序 播放mid格式和au格式的音乐播放 开始播放按钮 暂停播放按钮 循环播放按钮-java applet play mid format and au format music player to start the play button to pause the play button to loop playback button