3. (C) Design a class StaticDemo to show the implementation of static variable and static function.

3. (C) Design a class StaticDemo to show the implementation of static variable and static function.

	#include<iostream.h> #include<conio.h>
	class test
	{
	int code;
	static int count;
	public:
	void setcode()
	{
	code=++count;
	}
	void showcode(void)
	{
	cout<<"object number="<<code<<"\n";
	}
	static void showcount(void)
	{
	cout<<"count."<<count<<"\n";
	}
	};
	int test::count;
	void main()
	{
	clrscr();
	test t1,t2;
	t1.setcode();
	t2.setcode();
	test::showcount();
	test t3;t3.setcode();
	test::showcount();
	t1.showcode();
	t2.showcode();
	t3.showcode();
	getch();
	}