Java阴影文字，源代码注释：实现文字运动的线程、文字颜色、背景颜色与阴影颜色、字体高度,运动速度和基线、实现跳动的Image对象、显示字体的FontMetrics对象、/根据Applet尺寸设置文字高度、根据文字宽度调整其高度、设置默认阴影颜色、实例化运动文字线程、线程休眠,即跳动间隔时间-Java shadow text, source code comments: the thread of text movement, text color, background color, and shadow color, font, height, movement speed and baseline, beating Image object display font FontMetrics object/the Applet size set text height , adjust its height according to text width, set the default shadow color, the instantiated movement text thread, thread to sleep, that beating the interval