实验目的：掌握Applet程序的编写，实现多媒体效果的制作。 实验内容： 1 编写简单的Applet程序并运行； 2 绘制各种图形； 3引用图片文件并进行显示； 实验重点：Applet程序，图片文件的显示。 实验难点：动画效果的处理 -import java.awt* import javax.swing

帮助java的初学者精通 java swing 程序设计 各类方法的应用-Help java beginner programmers proficient in java swing application of various methods

总结java swing上传文件的方法（注：在网上找的）-Summarize the java swing upload files (Note: to find online)

fast cycle with constant redrawing the entire image in the window, as it usually happens in games. This mode is called Swing in terms of active rendering. Uses hardware double buffering through the object java.awt.image.BufferStrategy.