Java程序通常是一个Applet，或者是一个普通应用程序，这二者是截然不同的 可以编写出既是Applet又是普通应用程序的java程序。可以作为模板使用。-Java program is usually an Applet, or a normal application, both of which are distinct Can write both normal application Applet is java program. Can be used as a tem