写出下列程序的运行结果。
//===================================
//e0901.cpp
//===================================
#include<iostream>
using namespace std;
//-----------------------------------
class MyClass{
int number;
public:
MyClass();
MyClass(int);
~MyClass();
void Display();
};//---------------------------------
MyClass: :MyClass() { cout <<”Constructing normally.\n"; }
//-----------------------------------
MyClass: :MyClass(int m) :number(m) {
cout <<”Constructing with a number: " <<number <<endl;
}//-----------------------------------
void MyClass::Display(){ cout<<”Display a number: " <<number <<end1; }
//-----------------------------------
MyClass::~MyClass() { cout <<"Destructing.\n”; }
//-----------------------------------
int main() {
MyClass obj1;
MyClass obj2 (20);
obj1.Display();
obj2.Display();
}//==================================
