#include<iostream>

using namespace std;
class MyClass
{
public:
	MyClass(){
		int i = 0;
		float f = 0.01f;
	};
	int getI(){
		return i;
	}
	int getF(){
		return f;
	}
private:
	int i;
	float f;
	//靜態變量實際上是其全局變量，它存儲在全局/靜態存儲區，不占對象空間
	static int staNum;
};
int MyClass::staNum = 2;
int main()
{
	MyClass myclass;
	cout << "myclass的大小" << sizeof(myclass) << endl;
	return 0;
}

#include<iostream>

using namespace std;
class MyClass
{
public:
	MyClass(){};
private:
};

int main()
{
	MyClass myclass;
	cout << "myclass的大小" << sizeof(myclass) << endl;
	return 0;
}

#include<iostream>

using namespace std;
struct MyStruct1
{
	bool b1;
	bool b2;
	int i1;
};
struct MyStruct2
{
	bool b1;
	int i1;
	bool b2;
};
struct MyStruct3
{
	bool b1;
	short s1;
};

int main()
{
	MyStruct1 s1;
	MyStruct2 s2;
	MyStruct3 s3;
	cout << "MyStruct1的大小" << sizeof(s1) << endl;
	cout << "MyStruct2的大小" << sizeof(s2) << endl;
	cout << "MyStruct3的大小" << sizeof(s3) << endl;

	return 0;
}