编程序，设计至少20种不同类型的数据运用＋、－、*、/、％运算组合情况，测试结果的数据类型并显示在console中(用Poly.getType()方法)。

设计至少6种数据被0和0.0除的情况， 观察运行结果，如果能显示在console中，则

显示。

设计至少5种char型数据和int型数据之间相互转换的情况，显示在console中。

-Programmed, designed at least 20 different types of data using+,-,*,/,　operation combinations, results of the data type and displayed in the console (the use Poly.getType () method). Design at least six kinds of data are 0 and 0.0 except in the case, observing the results, if displayed in the console, then display. Design at least five kinds of char-type data and the int-type data conversion between the situation shown in the console.