Text based student information system
0
This is simple student information system project. Where you can do following things:
1. Add Records
2. List Records
3. Modify Records
4. Delete Records
To store data a .txt file is used.
I just want an honest critique of my code so I can improve.
#include<iostream>
#include<vector>
#include<string>
#include<fstream>
using namespace std;
void flowcontrol();//directs you based on what you are trying to do;
int entrynumb();//counts the number astericks and stores them as a base for how many students they are for student number assignment;
void addrecord();//adds new students to the database;
void seerecord(string n);//lets you see the data on a student number;
void modifyrecord(string n, char c);//deletes a desired record;
int number = 0;
string strnumber = to_string(number);
struct student
{
string firstname, lastname, birthday;
int age, grade;
int number;
void writeto(student a)//writes student values to a file for retrieval and modification;
{
ofstream datastore;
datastore.open ("datastore.txt", ios_base::app);
datastore << 'n' << "Number : " << a.number;
datastore << 'n' << "Name :" << a.firstname << ' ' << a.lastname;
datastore << 'n' << "DOB : " << a.birthday;
datastore << 'n' << "Age : " << a.age;
datastore << 'n' << "Grade : " << a.grade;
datastore << 'n' << "*";
datastore << 'n' << "----------------------------------------------";
datastore.close();
}
};
int main()
{
flowcontrol();
}
void spacer(int a)//adds a certain number of newline spaces;
{
cout << string(a, 'n');
}
void flowcontrol()
{
spacer(3);
cout << "Welcome to the student database version 1.101" << 'n';
cout << "<------------------------------------------->" << 'n';
cout << " What would you like to do? " << 'n';
cout << " ADD | MODIFY | DELETE | SEE " << 'n';
cout << " a | m | d | s " << 'n';
spacer(3);
char ch; cin >> ch;
spacer(22);
switch(ch)
{
case 'a':
addrecord();
break;
case 's':
{
spacer(2);
cout << "Student ID number : " << 'n';
string n; cin >> n;
spacer(5);
seerecord(n);
break;
}
case 'd':
{
spacer(2);
cout << "Student ID number : " << 'n';
string n; cin >> n;
spacer(5);
modifyrecord(n, 'd');
break;
}
case 'm':
{
spacer(2);
cout << "Student ID number : " << 'n';
string n; cin >> n;
spacer(5);
modifyrecord(n, 'm');
break;
}
}
}
int entrynumb()//student number generator;
{
string line;//stores a line of the datastore file here for reference;
vector<string> liner;//stores the amount of entries;
ifstream myfile ("datastore.txt");//opens the datastore file;
if (myfile.is_open())
{
while (getline(myfile,line))//grabs the lines in datastore and does something;
{
if(line == "*")//does this if the condition is met;
{
liner.push_back("*");//pushes the asterick to the liner vector;
}
}
myfile.close();
}
return liner.size();//returns the number of astericks stored wich is directley correlated with the number of students;
}
void addrecord()//new student generator;
{
student strnumber;//initiates new student entry as a student object;
strnumber.number = entrynumb();//grabs the proper student number;
string strcontainer;//to store string responses such as firstname/lastname;
int intcontainer;//to store int responses such as age, dob, etc;
cout << "First name? " << 'n';
cin >> strcontainer; strnumber.firstname = strcontainer;
spacer(1);
cout << "last name ? " << 'n';
cin >> strcontainer; strnumber.lastname = strcontainer;
spacer(1);
cout << "birthday ? " << 'n';
cin >> strcontainer; strnumber.birthday = strcontainer;
spacer(1);
cout << "age ? " << 'n';
cin >> intcontainer; strnumber.age = intcontainer;
spacer(1);
cout << "grade ? " << 'n';
cin >> intcontainer; strnumber.grade = intcontainer;
spacer(1);
strnumber.writeto(strnumber);//calls to write the students data to datastore file;
number++;//adds the number up by one per entry to keep track of number of students;
main();//restarts the process;
}
void seerecord(string n)//takes the number provided and shows the student information;
{
string line;
ifstream myfile ("datastore.txt");//opens the datastore file;
if (myfile.is_open())
{
while (getline(myfile,line))//grabs the lines in datastore and does something;
{
if(line == "Number : " + n)//loops through and prints every line related associated with the number;
{ cout << " Student entry " << 'n';
cout << "<------------------------------------------->" << 'n';
cout << 'n' << line << 'n';
for(int i = 0; i < 5; i++ )
{
getline(myfile, line);
cout << line << 'n';
}
cout << "<------------------------------------------->";
}
}
myfile.close();
}
flowcontrol();
}
void modifyrecord (string n, char c)//delete//modify a desired record;
{
vector<string> datahold;//holds all the entries kept unchanged;
ifstream myfile ("datastore.txt");//opens the file;
string line;//for reference to each line;
if (myfile.is_open())
{
while (getline(myfile, line))
{
if(line == "Number : " + n)//if the number that is to be deleted is found it's associated entries wont be stored;
{
switch(c)//checks to see if your deleting or modifying a student entry;
{
case 'd'://delete;
{
for(int i = 0; i < 6; i++)
{
getline(myfile, line);
cout << "DELETING: " << line << 'n';
}
flowcontrol();
break;
}
case 'm'://edit;
{
string entries[4] = {"Name : ", "DOB : ", "Age : ", "Grade : "};
datahold.push_back(line);
for(int j = 0; j < 4; j++)//loops through and edits each entry;
{
string strcontainer;
getline(myfile, line);
cout << "Currently: " << line << 'n' << "Edit ->"; cin >> strcontainer;
datahold.push_back(entries[j] + strcontainer);
cout << "---------------------------------------->" << 'n';
}
flowcontrol();
break;
}
}
}
else
{
datahold.push_back(line);//pushes entries that won't be edited or deleted;
}
}
myfile.close();
}
ofstream myfilenew;
myfilenew.open ("datastore.txt");
for(unsigned int i = 0; i < datahold.size(); i++)//iterates through all the kept entries and rewrites them to the file;
{
myfilenew << datahold[i] << 'n';
}
}
c++ c++11
asked 7 mins ago
Vildjharta
11
New contributor
Vildjharta is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
0
This is simple student information system project. Where you can do following things:
1. Add Records
2. List Records
3. Modify Records
4. Delete Records
To store data a .txt file is used.
I just want an honest critique of my code so I can improve.
#include<iostream>
#include<vector>
#include<string>
#include<fstream>
using namespace std;
void flowcontrol();//directs you based on what you are trying to do;
int entrynumb();//counts the number astericks and stores them as a base for how many students they are for student number assignment;
void addrecord();//adds new students to the database;
void seerecord(string n);//lets you see the data on a student number;
void modifyrecord(string n, char c);//deletes a desired record;
int number = 0;
string strnumber = to_string(number);
struct student
{
string firstname, lastname, birthday;
int age, grade;
int number;
void writeto(student a)//writes student values to a file for retrieval and modification;
{
ofstream datastore;
datastore.open ("datastore.txt", ios_base::app);
datastore << 'n' << "Number : " << a.number;
datastore << 'n' << "Name :" << a.firstname << ' ' << a.lastname;
datastore << 'n' << "DOB : " << a.birthday;
datastore << 'n' << "Age : " << a.age;
datastore << 'n' << "Grade : " << a.grade;
datastore << 'n' << "*";
datastore << 'n' << "----------------------------------------------";
datastore.close();
}
};
int main()
{
flowcontrol();
}
void spacer(int a)//adds a certain number of newline spaces;
{
cout << string(a, 'n');
}
void flowcontrol()
{
spacer(3);
cout << "Welcome to the student database version 1.101" << 'n';
cout << "<------------------------------------------->" << 'n';
cout << " What would you like to do? " << 'n';
cout << " ADD | MODIFY | DELETE | SEE " << 'n';
cout << " a | m | d | s " << 'n';
spacer(3);
char ch; cin >> ch;
spacer(22);
switch(ch)
{
case 'a':
addrecord();
break;
case 's':
{
spacer(2);
cout << "Student ID number : " << 'n';
string n; cin >> n;
spacer(5);
seerecord(n);
break;
}
case 'd':
{
spacer(2);
cout << "Student ID number : " << 'n';
string n; cin >> n;
spacer(5);
modifyrecord(n, 'd');
break;
}
case 'm':
{
spacer(2);
cout << "Student ID number : " << 'n';
string n; cin >> n;
spacer(5);
modifyrecord(n, 'm');
break;
}
}
}
int entrynumb()//student number generator;
{
string line;//stores a line of the datastore file here for reference;
vector<string> liner;//stores the amount of entries;
ifstream myfile ("datastore.txt");//opens the datastore file;
if (myfile.is_open())
{
while (getline(myfile,line))//grabs the lines in datastore and does something;
{
if(line == "*")//does this if the condition is met;
{
liner.push_back("*");//pushes the asterick to the liner vector;
}
}
myfile.close();
}
return liner.size();//returns the number of astericks stored wich is directley correlated with the number of students;
}
void addrecord()//new student generator;
{
student strnumber;//initiates new student entry as a student object;
strnumber.number = entrynumb();//grabs the proper student number;
string strcontainer;//to store string responses such as firstname/lastname;
int intcontainer;//to store int responses such as age, dob, etc;
cout << "First name? " << 'n';
cin >> strcontainer; strnumber.firstname = strcontainer;
spacer(1);
cout << "last name ? " << 'n';
cin >> strcontainer; strnumber.lastname = strcontainer;
spacer(1);
cout << "birthday ? " << 'n';
cin >> strcontainer; strnumber.birthday = strcontainer;
spacer(1);
cout << "age ? " << 'n';
cin >> intcontainer; strnumber.age = intcontainer;
spacer(1);
cout << "grade ? " << 'n';
cin >> intcontainer; strnumber.grade = intcontainer;
spacer(1);
strnumber.writeto(strnumber);//calls to write the students data to datastore file;
number++;//adds the number up by one per entry to keep track of number of students;
main();//restarts the process;
}
void seerecord(string n)//takes the number provided and shows the student information;
{
string line;
ifstream myfile ("datastore.txt");//opens the datastore file;
if (myfile.is_open())
{
while (getline(myfile,line))//grabs the lines in datastore and does something;
{
if(line == "Number : " + n)//loops through and prints every line related associated with the number;
{ cout << " Student entry " << 'n';
cout << "<------------------------------------------->" << 'n';
cout << 'n' << line << 'n';
for(int i = 0; i < 5; i++ )
{
getline(myfile, line);
cout << line << 'n';
}
cout << "<------------------------------------------->";
}
}
myfile.close();
}
flowcontrol();
}
void modifyrecord (string n, char c)//delete//modify a desired record;
{
vector<string> datahold;//holds all the entries kept unchanged;
ifstream myfile ("datastore.txt");//opens the file;
string line;//for reference to each line;
if (myfile.is_open())
{
while (getline(myfile, line))
{
if(line == "Number : " + n)//if the number that is to be deleted is found it's associated entries wont be stored;
{
switch(c)//checks to see if your deleting or modifying a student entry;
{
case 'd'://delete;
{
for(int i = 0; i < 6; i++)
{
getline(myfile, line);
cout << "DELETING: " << line << 'n';
}
flowcontrol();
break;
}
case 'm'://edit;
{
string entries[4] = {"Name : ", "DOB : ", "Age : ", "Grade : "};
datahold.push_back(line);
for(int j = 0; j < 4; j++)//loops through and edits each entry;
{
string strcontainer;
getline(myfile, line);
cout << "Currently: " << line << 'n' << "Edit ->"; cin >> strcontainer;
datahold.push_back(entries[j] + strcontainer);
cout << "---------------------------------------->" << 'n';
}
flowcontrol();
break;
}
}
}
else
{
datahold.push_back(line);//pushes entries that won't be edited or deleted;
}
}
myfile.close();
}
ofstream myfilenew;
myfilenew.open ("datastore.txt");
for(unsigned int i = 0; i < datahold.size(); i++)//iterates through all the kept entries and rewrites them to the file;
{
myfilenew << datahold[i] << 'n';
}
}
c++ c++11
asked 7 mins ago
Vildjharta
11
New contributor
Vildjharta is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
0
0
0
This is simple student information system project. Where you can do following things:
1. Add Records
2. List Records
3. Modify Records
4. Delete Records
To store data a .txt file is used.
I just want an honest critique of my code so I can improve.
#include<iostream>
#include<vector>
#include<string>
#include<fstream>
using namespace std;
void flowcontrol();//directs you based on what you are trying to do;
int entrynumb();//counts the number astericks and stores them as a base for how many students they are for student number assignment;
void addrecord();//adds new students to the database;
void seerecord(string n);//lets you see the data on a student number;
void modifyrecord(string n, char c);//deletes a desired record;
int number = 0;
string strnumber = to_string(number);
struct student
{
string firstname, lastname, birthday;
int age, grade;
int number;
void writeto(student a)//writes student values to a file for retrieval and modification;
{
ofstream datastore;
datastore.open ("datastore.txt", ios_base::app);
datastore << 'n' << "Number : " << a.number;
datastore << 'n' << "Name :" << a.firstname << ' ' << a.lastname;
datastore << 'n' << "DOB : " << a.birthday;
datastore << 'n' << "Age : " << a.age;
datastore << 'n' << "Grade : " << a.grade;
datastore << 'n' << "*";
datastore << 'n' << "----------------------------------------------";
datastore.close();
}
};
int main()
{
flowcontrol();
}
void spacer(int a)//adds a certain number of newline spaces;
{
cout << string(a, 'n');
}
void flowcontrol()
{
spacer(3);
cout << "Welcome to the student database version 1.101" << 'n';
cout << "<------------------------------------------->" << 'n';
cout << " What would you like to do? " << 'n';
cout << " ADD | MODIFY | DELETE | SEE " << 'n';
cout << " a | m | d | s " << 'n';
spacer(3);
char ch; cin >> ch;
spacer(22);
switch(ch)
{
case 'a':
addrecord();
break;
case 's':
{
spacer(2);
cout << "Student ID number : " << 'n';
string n; cin >> n;
spacer(5);
seerecord(n);
break;
}
case 'd':
{
spacer(2);
cout << "Student ID number : " << 'n';
string n; cin >> n;
spacer(5);
modifyrecord(n, 'd');
break;
}
case 'm':
{
spacer(2);
cout << "Student ID number : " << 'n';
string n; cin >> n;
spacer(5);
modifyrecord(n, 'm');
break;
}
}
}
int entrynumb()//student number generator;
{
string line;//stores a line of the datastore file here for reference;
vector<string> liner;//stores the amount of entries;
ifstream myfile ("datastore.txt");//opens the datastore file;
if (myfile.is_open())
{
while (getline(myfile,line))//grabs the lines in datastore and does something;
{
if(line == "*")//does this if the condition is met;
{
liner.push_back("*");//pushes the asterick to the liner vector;
}
}
myfile.close();
}
return liner.size();//returns the number of astericks stored wich is directley correlated with the number of students;
}
void addrecord()//new student generator;
{
student strnumber;//initiates new student entry as a student object;
strnumber.number = entrynumb();//grabs the proper student number;
string strcontainer;//to store string responses such as firstname/lastname;
int intcontainer;//to store int responses such as age, dob, etc;
cout << "First name? " << 'n';
cin >> strcontainer; strnumber.firstname = strcontainer;
spacer(1);
cout << "last name ? " << 'n';
cin >> strcontainer; strnumber.lastname = strcontainer;
spacer(1);
cout << "birthday ? " << 'n';
cin >> strcontainer; strnumber.birthday = strcontainer;
spacer(1);
cout << "age ? " << 'n';
cin >> intcontainer; strnumber.age = intcontainer;
spacer(1);
cout << "grade ? " << 'n';
cin >> intcontainer; strnumber.grade = intcontainer;
spacer(1);
strnumber.writeto(strnumber);//calls to write the students data to datastore file;
number++;//adds the number up by one per entry to keep track of number of students;
main();//restarts the process;
}
void seerecord(string n)//takes the number provided and shows the student information;
{
string line;
ifstream myfile ("datastore.txt");//opens the datastore file;
if (myfile.is_open())
{
while (getline(myfile,line))//grabs the lines in datastore and does something;
{
if(line == "Number : " + n)//loops through and prints every line related associated with the number;
{ cout << " Student entry " << 'n';
cout << "<------------------------------------------->" << 'n';
cout << 'n' << line << 'n';
for(int i = 0; i < 5; i++ )
{
getline(myfile, line);
cout << line << 'n';
}
cout << "<------------------------------------------->";
}
}
myfile.close();
}
flowcontrol();
}
void modifyrecord (string n, char c)//delete//modify a desired record;
{
vector<string> datahold;//holds all the entries kept unchanged;
ifstream myfile ("datastore.txt");//opens the file;
string line;//for reference to each line;
if (myfile.is_open())
{
while (getline(myfile, line))
{
if(line == "Number : " + n)//if the number that is to be deleted is found it's associated entries wont be stored;
{
switch(c)//checks to see if your deleting or modifying a student entry;
{
case 'd'://delete;
{
for(int i = 0; i < 6; i++)
{
getline(myfile, line);
cout << "DELETING: " << line << 'n';
}
flowcontrol();
break;
}
case 'm'://edit;
{
string entries[4] = {"Name : ", "DOB : ", "Age : ", "Grade : "};
datahold.push_back(line);
for(int j = 0; j < 4; j++)//loops through and edits each entry;
{
string strcontainer;
getline(myfile, line);
cout << "Currently: " << line << 'n' << "Edit ->"; cin >> strcontainer;
datahold.push_back(entries[j] + strcontainer);
cout << "---------------------------------------->" << 'n';
}
flowcontrol();
break;
}
}
}
else
{
datahold.push_back(line);//pushes entries that won't be edited or deleted;
}
}
myfile.close();
}
ofstream myfilenew;
myfilenew.open ("datastore.txt");
for(unsigned int i = 0; i < datahold.size(); i++)//iterates through all the kept entries and rewrites them to the file;
{
myfilenew << datahold[i] << 'n';
}
}
c++ c++11
asked 7 mins ago
Vildjharta
11
New contributor
Vildjharta is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
This is simple student information system project. Where you can do following things:
1. Add Records
2. List Records
3. Modify Records
4. Delete Records
To store data a .txt file is used.
I just want an honest critique of my code so I can improve.
#include<iostream>
#include<vector>
#include<string>
#include<fstream>
using namespace std;
void flowcontrol();//directs you based on what you are trying to do;
int entrynumb();//counts the number astericks and stores them as a base for how many students they are for student number assignment;
void addrecord();//adds new students to the database;
void seerecord(string n);//lets you see the data on a student number;
void modifyrecord(string n, char c);//deletes a desired record;
int number = 0;
string strnumber = to_string(number);
struct student
{
string firstname, lastname, birthday;
int age, grade;
int number;
void writeto(student a)//writes student values to a file for retrieval and modification;
{
ofstream datastore;
datastore.open ("datastore.txt", ios_base::app);
datastore << 'n' << "Number : " << a.number;
datastore << 'n' << "Name :" << a.firstname << ' ' << a.lastname;
datastore << 'n' << "DOB : " << a.birthday;
datastore << 'n' << "Age : " << a.age;
datastore << 'n' << "Grade : " << a.grade;
datastore << 'n' << "*";
datastore << 'n' << "----------------------------------------------";
datastore.close();
}
};
int main()
{
flowcontrol();
}
void spacer(int a)//adds a certain number of newline spaces;
{
cout << string(a, 'n');
}
void flowcontrol()
{
spacer(3);
cout << "Welcome to the student database version 1.101" << 'n';
cout << "<------------------------------------------->" << 'n';
cout << " What would you like to do? " << 'n';
cout << " ADD | MODIFY | DELETE | SEE " << 'n';
cout << " a | m | d | s " << 'n';
spacer(3);
char ch; cin >> ch;
spacer(22);
switch(ch)
{
case 'a':
addrecord();
break;
case 's':
{
spacer(2);
cout << "Student ID number : " << 'n';
string n; cin >> n;
spacer(5);
seerecord(n);
break;
}
case 'd':
{
spacer(2);
cout << "Student ID number : " << 'n';
string n; cin >> n;
spacer(5);
modifyrecord(n, 'd');
break;
}
case 'm':
{
spacer(2);
cout << "Student ID number : " << 'n';
string n; cin >> n;
spacer(5);
modifyrecord(n, 'm');
break;
}
}
}
int entrynumb()//student number generator;
{
string line;//stores a line of the datastore file here for reference;
vector<string> liner;//stores the amount of entries;
ifstream myfile ("datastore.txt");//opens the datastore file;
if (myfile.is_open())
{
while (getline(myfile,line))//grabs the lines in datastore and does something;
{
if(line == "*")//does this if the condition is met;
{
liner.push_back("*");//pushes the asterick to the liner vector;
}
}
myfile.close();
}
return liner.size();//returns the number of astericks stored wich is directley correlated with the number of students;
}
void addrecord()//new student generator;
{
student strnumber;//initiates new student entry as a student object;
strnumber.number = entrynumb();//grabs the proper student number;
string strcontainer;//to store string responses such as firstname/lastname;
int intcontainer;//to store int responses such as age, dob, etc;
cout << "First name? " << 'n';
cin >> strcontainer; strnumber.firstname = strcontainer;
spacer(1);
cout << "last name ? " << 'n';
cin >> strcontainer; strnumber.lastname = strcontainer;
spacer(1);
cout << "birthday ? " << 'n';
cin >> strcontainer; strnumber.birthday = strcontainer;
spacer(1);
cout << "age ? " << 'n';
cin >> intcontainer; strnumber.age = intcontainer;
spacer(1);
cout << "grade ? " << 'n';
cin >> intcontainer; strnumber.grade = intcontainer;
spacer(1);
strnumber.writeto(strnumber);//calls to write the students data to datastore file;
number++;//adds the number up by one per entry to keep track of number of students;
main();//restarts the process;
}
void seerecord(string n)//takes the number provided and shows the student information;
{
string line;
ifstream myfile ("datastore.txt");//opens the datastore file;
if (myfile.is_open())
{
while (getline(myfile,line))//grabs the lines in datastore and does something;
{
if(line == "Number : " + n)//loops through and prints every line related associated with the number;
{ cout << " Student entry " << 'n';
cout << "<------------------------------------------->" << 'n';
cout << 'n' << line << 'n';
for(int i = 0; i < 5; i++ )
{
getline(myfile, line);
cout << line << 'n';
}
cout << "<------------------------------------------->";
}
}
myfile.close();
}
flowcontrol();
}
void modifyrecord (string n, char c)//delete//modify a desired record;
{
vector<string> datahold;//holds all the entries kept unchanged;
ifstream myfile ("datastore.txt");//opens the file;
string line;//for reference to each line;
if (myfile.is_open())
{
while (getline(myfile, line))
{
if(line == "Number : " + n)//if the number that is to be deleted is found it's associated entries wont be stored;
{
switch(c)//checks to see if your deleting or modifying a student entry;
{
case 'd'://delete;
{
for(int i = 0; i < 6; i++)
{
getline(myfile, line);
cout << "DELETING: " << line << 'n';
}
flowcontrol();
break;
}
case 'm'://edit;
{
string entries[4] = {"Name : ", "DOB : ", "Age : ", "Grade : "};
datahold.push_back(line);
for(int j = 0; j < 4; j++)//loops through and edits each entry;
{
string strcontainer;
getline(myfile, line);
cout << "Currently: " << line << 'n' << "Edit ->"; cin >> strcontainer;
datahold.push_back(entries[j] + strcontainer);
cout << "---------------------------------------->" << 'n';
}
flowcontrol();
break;
}
}
}
else
{
datahold.push_back(line);//pushes entries that won't be edited or deleted;
}
}
myfile.close();
}
ofstream myfilenew;
myfilenew.open ("datastore.txt");
for(unsigned int i = 0; i < datahold.size(); i++)//iterates through all the kept entries and rewrites them to the file;
{
myfilenew << datahold[i] << 'n';
}
}
c++ c++11
c++ c++11
asked 7 mins ago
Vildjharta
11
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Vildjharta
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asked 7 mins ago
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11
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asked 7 mins ago
Vildjharta
11
asked 7 mins ago
Vildjharta
11
11
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