本文介绍的是关于java 图形编程.awt是一个很基本的JAVA编程库的介绍.和swing包是具有相同的功能.很实用.-This paper introduces the graphics on the java programming. AWT is a very basic Java programming library presentation. Pack and swing with the same functionality. Practical.

用java编写的简单计算器，简单实用。包括四则运算，倒数， 。-Prepared using a simple java calculator, simple and practical. Including arithmetic, countdown, .