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Problem B: 字符类的封装
Description
先来个简单习题，练练手吧！现在需要你来编写一个Character类，将char这一基本数据类型进行封装。该类中需要有如下成员函数：
1. 无参构造函数。
2. 构造函数Character(char)：用参数初始化数据成员。
3. void setCharacter(char)：重新设置字符值。
4. int getAsciiCode()：返回字符的ASII码。
5. char getCharacter()：返回字符值。
6. 析构函数。
Input
输入只有1行，包含一个合法的、可打印的字符。
Output
输出有好多行，请参考样例来编写相应的函数。
Sample Input
c
Sample Output
Default constructor is called!
Character a is created!
ch1 is c and its ASCII code is 99.
ch2 is a and its ASCII code is 97.
Character a is erased!
Character c is erased!
HINT
Append Code
#include<iostream>using namespace std;class Character{private: char ch;public: Character(){cout<<"Default constructor is called!\n";} Character(char c){ch=c;cout<<"Character a is created!\n";} void setCharacter(char c){ch=c;} int getAsciiCode(){return ch;} char getCharacter(){return ch;} ~Character(){cout<<"Character "<<ch<<" is erased!\n";}};int main(){ char ch; Character ch1, ch2(‘a‘); cin>>ch; ch1.setCharacter(ch); cout<<"ch1 is "<<ch1.getCharacter()<<" and its ASCII code is "<<ch1.getAsciiCode()<<"."<<endl; cout<<"ch2 is "<<ch2.getCharacter()<<" and its ASCII code is "<<ch2.getAsciiCode()<<"."<<endl; return 0;}Problem B: 字符类的封装
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