Receiving various errors, need help!

[awkitup]

#include <iostream>
#include <stdio.h>
#include <string.h>

using namespace std;


const int MAX_CHAR = 100;

class Student
{
public:
	Student::Student(const char initId[], float initGpa){
		strcpy(id, initID);
		gpa = initGpa;
	}

	bool Student::isLessThanByGpa(const Student& aStudent){
		if (gpa < aStudent.getGpa()){
			return true;
		}

		else{
			return false;
		}
	}

	bool Student::isLessThanByID(const Student& aStudent){
		if (strcmp(id, aStudent.getId()) > 0){
			return true;
		}
		else {
			return false;
		}
	}

	char getId(){
		return id;
	}

	float getGpa(){
		return gpa;
	}

private:

	char id[MAX_CHAR];
	float gpa;
};

/*Errors:
Error 1 error C2065: 'initID' : undeclared identifier
Error 2 error C2662: 'float Student::getGpa(void)' : cannot convert 'this' pointer from 'const Student' to 'Student &'
Error 3 error C2662: 'char Student::getId(void)' : cannot convert 'this' pointer from 'const Student' to 'Student &'
Error 4 error C2660: 'strcmp' : function does not take 1 arguments
Error 5 error C2440: 'return' : cannot convert from 'char [100]' to 'char'
6 IntelliSense: identifier "initID" is undefined
7 IntelliSense: the object has type qualifiers that are not compatible with the member function
object type is: const Student
8 IntelliSense: the object has type qualifiers that are not compatible with the member function
object type is: const Student
9 IntelliSense: return value type does not match the function type

*/

[mutexe]

report in code tags please.
and tell us the errors too.

[awkitup]

Hello,

What do you mean by "report in code tags"?


Thanks!

[shadowmouse]

Highlight your code and press the <> button (or use [ code ] and [ /code ] without the spaces).

[awkitup]

done and done, thanks shadowmouse

[MikeyBoy]

One thing I noticed immediately: you haven't defined anything called initID anywhere in your code.

[fcantoro]

Error 1 error C2065: 'initID' : undeclared identifier

C++ is case-sensitive, so initId != initID

Error 2 error C2662: 'float Student::getGpa(void)' : cannot convert 'this' pointer from 'const Student' to 'Student &'

function getGpa should be const, so change line 41 with float getGpa() const {

Error 3 error C2662: 'char Student::getId(void)' : cannot convert 'this' pointer from 'const Student' to 'Student &'

function getId should be const and the return type should be const char*, so change line 37 with const char* getId() const {

Error 4 error C2660: 'strcmp' : function does not take 1 arguments

I don't get this error

Error 5 error C2440: 'return' : cannot convert from 'char [100]' to 'char'

see Error 3

Anyway, I suggest you to #include <string> and use std::string instead of char arrays, strcpy and strcmp: it should be simpler to write and less error-prone.