cs201 assignment no 3 spring 2020

Soloution:

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

class sports
{
private :
string playernam;
string game_nam;
int total_win;
public :
sports()
{
playernam=””;
game_nam=””;
total_win=0;
}
void input_file()
{
cout<<“\nWriting in the file”;
cout<<“\nEnter the name of the player : “;
cin>>playernam;
cout<<“Enter the sportorts name of the player : “;
cin>>game_nam;
cout<<“Enter the number of wins for the current season : “;
cin>>total_win;

ofstream outFile;
char FileName[] = “Sample.txt”;
outFile.open(FileName, ios::out);
if (!outFile)
{
cout << “Can’t open input file named Sample.txt”<< endl;
exit(1);
}
outFile<<playernam<<“\n”;
outFile<<game_nam<<“\n”;
outFile<<total_win;
outFile.close();
cout<<“\nData have been entered in the file”;
}
void read_file()
{
char FileName[] = “Sample.txt”;
ifstream inFile;
inFile.open(FileName, ios::in);

if (inFile)
{
string dt;
while(getline(inFile, dt))
{
cout << dt << “\n”;
}
inFile.close();
}
else
{
cout << “Can’t open input file named ” << FileName << endl;
exit(1);
}
}

void notstartingwithA()
{
char FileName[] = “Sample.txt”;
ifstream inFile;
inFile.open(FileName, ios::in);
int count=0;
char s;
if (inFile)
{
string dt;
while(getline(inFile, dt))
{
s=dt.at(0);
if(s!=’A’)
{
count++;
}
}
inFile.close();
cout<<“\nThe number of lines not started with ‘A’ including empty lines : “<<count<<endl;
}
else
{
cout << “Can’t open input file named ” << FileName << endl;
exit(1);
}
}
void lower()
{
char FileName[] = “Sample.txt”;
ifstream inFile;
inFile.open(FileName, ios::in);
int count=0;
char s;
if (inFile)
{
string dt;
while(getline(inFile, dt))
{
s=dt.at(0);
if(islower(s))
{
count++;
}
}
inFile.close();
cout<<“\nThe number of lines started with lower character are : “<<count<<endl;
}
else
{
cout << “Can’t open input file named ” << FileName << endl;
exit(1);
}
}
void upper()
{
char FileName[] = “Sample.txt”;
ifstream inFile;
inFile.open(FileName, ios::in);
int count=0;
char s;
if (inFile)
{
string dt;
while(getline(inFile, dt))
{
s=dt.at(0);
if(isupper(s))
{
count++;
}
}
inFile.close();
cout<<“\nThe number of lines started with upper character are: “<<count<<endl;
}
else
{
cout << “Can’t open input file named ” << FileName << endl;
exit(1);
}
}
void digit()
{
char FileName[] = “Sample.txt”;
ifstream inFile;
inFile.open(FileName, ios::in);
int count=0;
char s;
if (inFile)
{
string dt;
while(getline(inFile, dt))
{
s=dt.at(0);
if(isdigit(s))
{
count++;
}
}
inFile.close();
cout<<“\nThe number of lines started with digit are : “<<count<<endl;
}
else
{
cout << “Can’t open input file named ” << FileName << endl;
exit(1);
}
}

};

main()
{

int choice;
sports sport;
char iterate;
do
{
cout<<“\n\n*********************** Ghulam Mustafa Official ***************************”;
cout<<“\n\n************ WELCOE TO THE UNIVERSITY SPORTS SURVEY SYSTEM ****************”;
cout<<“\n\n************ Press 1 for entering record of player ************************”;
cout<<“\n************** Press 2 for reading data from the file ***********************”;
cout<<“\n************** Press 3 for checking line not started with A *****************”;
cout<<“\n************** Press 4 for checking line started with lower case characters**”;
cout<<“\n************** Press 5 for checking line started with upper case characters**”;
cout<<“\n************** Press 6 for checking line started with digits ************\n\n”;
cin>>choice;

switch(choice)
{
case 1 :
sport.input_file();
break;
case 2 :
sport.read_file();
break;
case 3 :
sport.notstartingwithA();
break;
case 4 :
sport.lower();
break;
case 5 :
sport.upper();
break;
case 6 :
sport.digit();
break;
default :
cout<<“\nInvalid choice entered!\n”;
break;
}
cout<<“\nDo you want to continue (y for yes) : “;
cin>>iterate;
}
while(iterate==’y’|| iterate==’Y’);
}

For more explanation click here