说明：  用java编写的一个基于GUI的算术四则运算（加、减、乘、除）的计算器。 1．综合使用swing包的容器类和组件类设计一个合理的界面； 2．只能对整型数据进行处理； 3. 只能完成加、减、乘、除四项基本功能； 4．参照Windows附件中的计算器的外观和功能
( Compiles which with java (adds based on the GUI arithmetic mathematical operations, reduces, while, eliminates) the calculator. 1. syntheses use a swing package of vessel class and the module class design a reasonable contact surface; 2. can carry on processing to the trueing data; 3. can complete adds, reduces, while, eliminates four basic functions; 4. refers to in the Windows appendix the calculator outward appearance and the function )