一、直接上完整代码： packagecom.example.test; importjava.awt.Color; importjava.awt.Font; importjava.awt.Graphics; importjava.awt.Image; importjava.awt.Toolkit; importjava.util.jar.JarOutputStream; importjavax.swing.JFrame; classCardioidextendsJFrame{ //定义窗口大小 privatestaticfinalintWIDTH=900; private...