page 151
#include <fstream>
using namespace std				;
int main()
{
fstream fileobj				;
	fileobj.open("c:\\exp.txt",ios::out);
	fileobj << "about time\n"		;

fileobj.close()				;
return 0					;
}

page 153
#include <fstream>
#include <iostream>
using namespace std			;
int main()
{
	fstream fileobj			;
	char nxtStr[20]			;
	fileobj.open("c:\\exp.txt",ios::in) ;
	fileobj.getline(nxtStr,20)	;
	cout<< nxtStr << endl		;
	cin.get();
return 0					;
}

page 153
#include <fstream>
#include <iostream>
using namespace std					;
int main()
{
	fstream fileobj					;
	char nxtStr[20]					;

	fileobj.open("c:\\exp.txt",ios::out|ios::in);
	fileobj << "something else\n"	;
	fileobj.seekg(0)				;
	fileobj.getline(nxtStr,20)		;
	cout<< nxtStr << endl			;
	cin.get();
return 0						;
}

page 154
#include <iostream>
using namespace std	;
int main()
{

	cout << (ios::out|ios::in )<< endl;
	cin.get();
return 0			;
}


#include <iostream>
using namespace std	;
int main()
{
cout << (3&1)<< endl	; // Binary 11 AND 01
cout << (3&2)<< endl	; // Binary 11 AND 10
cin.get();
return 0			;
}

page 155
#include <fstream>
#include <iostream>
using namespace std				;
int main()
{
	char rd[4]					;
	fstream fileobj				;
	fileobj.open("c:\\exp.txt",ios::out|ios::in);
	fileobj.write("eds",3)		; 
	fileobj.seekg(0)				;
	fileobj.read(rd,3) 			;
	cout << rd << endl			;
	cin.get();
return 0						;
}

page 155
#include <fstream>
#include <iostream>
using namespace std						;
int main()
{
	fstream fileobj						;
	fileobj.open("c:\\exp.txt",ios::out|ios::app);
fileobj.write("bees",4)		;	
return 0								;
}

page 156
#include <fstream>
#include <iostream>
using namespace std			;
int main()
{
	ofstream fileobj			;
	char nxtStr[20]			;
	fileobj.open("c:\\exp.txt")	;
	fileobj << "more text"	;
	fileobj.close()			;
return 0					;
}

page 156
#include <fstream>
#include <iostream>
using namespace std			;
int main()
{
	char st[10]			;
	ifstream fileobj			;
	fileobj.open("c:\\exp.txt")	;
	fileobj.getline(st,10)	;
	cout << st << endl		;
	cin.get();
	fileobj.close()			;
return 0					;
}

page 157
#include <fstream>
#include <iostream>
using namespace std	;
int main()
{
	ofstream fileobj("c:\\exp.txt")		;
	fileobj  <<  "something else" << endl	;
return 0						;
}

page 157
#include <fstream>
#include <iostream>
using namespace std				;
int main()
{
	ifstream fileobj("c:\\exp.txt")		;
char nxtStr[20]					;
fileobj.getline(nxtStr,20)			;
	cout << nxtStr  << endl			;
	cin.get();
return 0						;
}

page 158
#include <fstream>
#include <iostream>
using namespace std			;
int main()		
{
	ifstream fileobj			;
	fileobj.open("c:\\exp ")	;
	cout << fileobj.rdstate() << endl;
	fileobj.close()				;
return 0						;
}

page 158
#include <fstream>
#include <iostream>
using namespace std				;
int main()
{
	ifstream fileobj("c:\\expNo.txt")	;
	cout << fileobj  << endl		;
		cin.get();
		fileobj.close()				;
return 0						;
}

page 158
#include <fstream>
#include <iostream>
using namespace std				;
int main()
{
	ifstream fileobj("c:\\expNo")	;
	if (fileobj == NULL)
	cout << "error"  << endl		;
	cin.get();
	fileobj.close()				;
return 0						;
}

page 159
#include <fstream>
#include <iostream>
using namespace std					;
int main()		
{
	ifstream fileobj					;
	fileobj.open("c:\\expNo.txt")		;
	cout << fileobj.rdstate() << endl	;
	cin.get();
	fileobj.close()					;
return 0							;
}

page 159
#include <fstream>
#include <iostream>
using namespace std					;
int main()		
{
	ifstream fileobj					;
	fileobj.open("c:\\expNo")			;
cout<< (fileobj.rdstate() & ios.failbit)	;
cin.get();
 return 0							;
}

#include <iostream>
using namespace std				;
int main()
{
	cout << ios.goodbit  << endl		;
	cout << ios::eofbit  << endl		;
	cout << ios::failbit  << endl		;
	cout << ios::badbit  << endl		;
	cin.get();
return 0								;
}

page 160
#include <iostream>
#include <fstream>
using namespace std					;

int main()
{
	int x = 2						;
	ofstream fileobj					;
	fileobj.open("c:\\exp.bin",ios::binary)	;
	fileobj.write(reinterpret_cast<char*>(&x),sizeof(int))	;
	return 0							;
}	

page 161
#include <fstream>
#include <iostream>
using namespace std			;
int main()
{
int x = 2, y 				;

fstream fileobj				;

fileobj.open("c:\\exp.bin",ios::out|ios::in |ios::binary)	;
fileobj.write(reinterpret_cast<char*>(&x),sizeof(int))	;

fileobj.seekg(0)				;					
cout << fileobj.tellg() << endl	;			

fileobj.read(reinterpret_cast<char*>(&y),sizeof(int))		;
cout << y << endl			;
cin.get();

fileobj.close()				;

return 0					;
}


page 162
#include <fstream>
#include <iostream>
using namespace std		;
class part
{

private:
int i					;
char s					;

public: 
part() :i(1),s('a')
{  						;}
void display(void)
{	cout << i << endl	;	
	cout << s << endl	;
	cin.get();	
}
}						;
/////////////////////////
int main()
{
part p					;

fstream fileobj			;
fileobj.open("c:\\exp.bin",ios::out|ios::in |ios::binary)	;
fileobj.write(reinterpret_cast<char*>(&p),sizeof(part))		;

fileobj.seekg(0)				;
fileobj.read(reinterpret_cast<char*>(&p),sizeof(part))			;

p.display()				;

return 0				;
}


page 163
#include <iostream>
using namespace std		;
///////////////////////////////
int main()
{
cout << "hello"	<< endl	;
cin.get();
return 0				;
}
///////////////////////////////

page 164
#include <iostream>
using namespace std		;
///////////////////////////////
int main(int argc , char* argv[])
{
cout << "hello " << argv[1]	<< endl;
cin.get();
return 0				;
}
///////////////////////////////