TestArray

#include
#include"Array.h"
using namespace std;
​
int main()
{char str[2];str[0] = 'z';str[1] = 'y';Arrayob(str, 2);
​cout << "Test =:" << endl;Arraycopy_ob = ob;cout << copy_ob << endl;
​cout << "Test <<:" << endl;cout << ob << endl;
​cout << "Test getsize():" << endl;cout << ob.getSize() << endl;
​cout << "Test +:" << endl;Arraydouble_ob;cout << ob + copy_ob << endl;
​cout << "Test []:" << endl;cout << ob[1] << endl;
​cout << "Test sort:" << endl;ob.sort();cout << ob << endl;
}

Array

#include 
using namespace std;
​
//目的：存不同类型的数据
template 
class Array {
private:int size;//数据个数T* arr;//数据容器
public:int getSize();Array();  //  Array(int size);Array(const Array& other);Array(T[], int n);~Array();
​Array& operator=(const Array& rhs);Array operator+(const Array& rhs) const; // appendT& operator[](int i); //allow read and writeconst T& operator[](int n) const; // readonly    operator T* (); // 将动态数组对象转换为类型T *friend ostream& operator << (ostream& out, const Array& rhs);
​void sort();
};
​
template
int Array::getSize()
{return size;
}
​
template
Array::Array()
{size = 0;arr = nullptr;
}
​
template
Array::Array(int _size)
{size = _size;arr = new T[size + 1];
}
​
template
Array::Array(const Array& other)
{if (size != other.size){delete[]arr;size = other.size;arr = new T[size+1];}for (int i = 0; i < size; i++){arr[i] = other.arr[i];}
}
​
template
Array::Array(T a[], int n)
{size = n;arr = new T[size + 1];for (int i = 0; i < size; i++){arr[i] = a[i];}arr[size] = '\0';
}
​
template
Array::~Array()
{if (arr){delete[]arr;arr = nullptr;}
}
​
template
Array& Array::operator=(const Array& rhs)
{if (size != rhs.size){delete[]arr;size = rhs.size;arr = new T[size + 1];}for (int i = 0; i < size; i++){arr[i] = rhs[i];}return *this;
}
​
template
Array Array::operator+(const Array& rhs) const
{int i = 0;Array temp;temp.size = size + rhs.size;temp.arr = new T[temp.size + 1];for (i = 0; i < size; i++){temp.arr[i] = arr[i];}for(i=0;i
T& Array::operator[](int i)
{return arr[i];
}
​
template
const T& Array::operator[](int n) const
{return arr[n];
}
​
template
Array::operator T* ()
{return arr;
}
​
template
ostream& operator <<(ostream& out, const Array& rhs)
{for (int i = 0; i < rhs.size; i++){out << rhs.arr[i]<<" ";}out << endl;return out;
}
​
template
void Array::sort()
{for (int i = 0; i < size; i++){for (int j = i + 1; j < size; j++){if (arr[i] > arr[j]){T t  = arr[i];arr[i] = arr[j];arr[j] = t;}}}
}