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POCANNOT COMPILE:: I don't understand my errors. Mostly the "declared as void" errors and "StudentType was not declared in this scope".
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copied!<p><strong>I keep receiving these errors when I run the compiler:</strong></p> <pre><code>Program04.cpp:21:14: error: variable or field âgetDataâ declared void Program04.cpp:21:14: error: âStudentTypeâ was not declared in this scope Program04.cpp:21:26: error: expected primary-expression before â]â token Program04.cpp:21:29: error: expected primary-expression before âintâ Program04.cpp:23:15: error: variable or field âsortDataâ declared void Program04.cpp:23:15: error: âStudentTypeâ was not declared in this scope Program04.cpp:23:27: error: expected primary-expression before â]â token Program04.cpp:23:30: error: expected primary-expression before âintâ Program04.cpp:27:22: error: variable or field âcomputeAveragesâ declared void Program04.cpp:27:22: error: âStudentTypeâ was not declared in this scope Program04.cpp:27:34: error: expected primary-expression before â]â token Program04.cpp:27:37: error: expected primary-expression before âintâ Program04.cpp:29:16: error: variable or field âprintDataâ declared void Program04.cpp:29:16: error: âStudentTypeâ was not declared in this scope Program04.cpp:29:28: error: expected primary-expression before â]â token Program04.cpp:29:31: error: expected primary-expression before âintâ Program04.cpp: In function âint main()â: Program04.cpp:34:1: error: âStudentTypeâ was not declared in this scope Program04.cpp:34:13: error: expected â;â before âstudentsâ Program04.cpp:37:9: error: âstudentsâ was not declared in this scope Program04.cpp:37:19: error: ânâ was not declared in this scope Program04.cpp:37:20: error: âgetDataâ was not declared in this scope Program04.cpp:38:21: error: âsortDataâ was not declared in this scope Program04.cpp:39:25: error: âcomputeAveragesâ was not declared in this scope Program04.cpp:40:19: error: âprintDataâ was not declared in this scope Program04.cpp: At global scope: Program04.cpp:45:14: error: variable or field âgetDataâ declared void Program04.cpp:45:14: error: âStudentTypeâ was not declared in this scope Program04.cpp:45:38: error: expected primary-expression before âintâ </code></pre> <p><strong>Everything looks good to me, so i'm obviously not understanding something. Any suggestions?</strong></p> <hr> <p>PROGRAM FILE</p> <hr> <pre><code>using namespace std; #include "StudentType.h" #include <iostream> #include <iomanip> #include <fstream> #include <climits> #include <string> const int MAX_STDS = 20; void getData(StudentType[], int&); void sortData(StudentType[], int&); void getFormat(string&); void computeAverages(StudentType[], int&); void printData(StudentType[], int&); int main () { StudentType students[MAX_STDS]; StudentType(); getData(students, n); sortData(students, n); computeAverages(students); printData(students); return 0; } void getData(StudentType students[], int n){ ifstream fin; int grade; string filename, name; bool done = false; cout << "Enter filename: "; cin >> filename; fin.open(filename.c_str()); while(true) { try { fin.open(filename.c_str()); if(!fin) { throw(string("Could not open " + filename + ".")); } break; } catch (string s) { cout << s << endl; cout << "Enter a different file name: "; cin >> filename; } } n=0; while(n<MAX_STDS && getline(fin, name)) { students[n].setName(getFormat(name)); for(int i = 0; i < NUM_GRDS; ++i) { fin >> grade; student[n].setGrade(grade, i); } getline(fin, name); ++n; } } void printData(StudentType students[], int n) { for(int i = 0; i < n; ++i) { students[i].printLine(); } } void computeAverages(StudentType students[], int n) { for(int i = 0; i < n; ++i) { students[i].computeAverage(); } } void sortData(StudentType students[], int n) { for(int i=0; i<n-1; i++) { for(int j=0; j < n-1-i; ++j) { if(students[j].getName() > students[j+1].getName()) { swap(students[j], students[j+1]); } } } } void getFormat(string& name) { string first; string middle; string last; char n, m; int size = 0; n = name.find(' '); first = name.substr(0, n); m = name.find(' ', n + 1); size = name.size(); if (m != string::npos) { middle = name.substr(n+1, m-(n+1)); last = name.substr(m+1, size - (m+1)); } else { middle = ""; last = name.substr(n + 1, size - (n + 1)); } name = last + ", " + first; if (middle != "") { name = (name + ' ') + middle[0]; } } </code></pre> <hr> <p>HEADER FILE</p> <hr> <pre><code>#ifdef STUDENTTYPE__H #define STUDENTTYPE__H #include <string> #include<iostream> const int NUM_GRDS = 10; class StudentType { public: StudentType(); void setName(std::string); void setGrade(int, int); void computeAverage(); std::string getName() const; void print(std::ostream& = std::cout) const; private: std::string name; int grades[NUM_GRDS]; float avg; }; #endif </code></pre> <hr> <p>IMPLEMENTATION FILE</p> <hr> <pre><code>#include "StudentType.h" #include <iomanip> StudentType::StudentType(){ name = ""; for(int i =0; i <NUM_GRDS; ++i){ grades[i] = 0; } avg = 0.0; } void StudentType::setName(std::string newName){ name = newName; } void StudentType::setGrade(int grade, int num){ grades[num] = grade; } void StudentType::computeAverage(){ float total = 0; for(int i = 0; i<NUM_GRDS; ++i){ total += grades[i]; } avg = total/NUM_GRDS; } std::string StudentType::getName() const{ return name; } void StudentType::printLine(std::ostream& out) const { out.setf(std::left); out.setf(std::fixed); out.setf(std::showpoint); out << "\n" << setw(25) << "Student" << setw(50) << "Grades" << setw(10) << "Average" << endl; out << "_____________________________________________________________________________________" << endl; out << std::left << std::setw(25) << name << std::right << ' '; for(int i = 0; i < NUM_GRDS; ++i){ out << std::setw(5) << grades[i] << ' '; } out << setprecision(2) << std::setw(6) << avg << endl; } </code></pre> <hr> <p><strong>My output should look like this after the program compiles...</strong></p> <hr> <pre><code>Enter file name: grades.dat Student Grades Average ________________________________________________________________________________________ Last, First 90 80 70 60 50 40 30 20 10 0 45.00 Last, First 40 40 40 40 40 40 40 40 40 40 40.00 Last, First 54 98 65 32 21 87 54 65 98 32 60.60 Flames, Blood A 9 8 7 6 5 4 3 2 1 0 4.50 Bottoms, Car 32 65 98 87 54 24 56 89 78 68 65.10 Guitars, Dean 10 10 10 10 10 10 10 10 10 10 10.00 Honer, Ruth T 78 56 12 23 45 89 31 64 97 79 57.40 Hot, Zepher R 12 54 87 89 56 32 51 46 97 31 55.50 . . . </code></pre> <p><strong>The input file should have this format and include over 20 students for testing purposes: g0, g1,...g9 should be 10 grades ranging from 0 to 100</strong></p> <pre><code>First Middle Last g0 g1 g2 g3 g4 g5 g6 g7 g8 g9 First Last g0 g1 g2 g3 g4 g5 g6 g7 g8 g9 </code></pre>

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