Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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PLease! In c++

Important requirements for all questions:
• All data members must be declared as “private”
• No global variable is allowed to be declared and used
• Methods within the class and the requested functions cannot have “cin” or
“cout” but it should make use of parameters and return value instead.
• “cin” and “cout” should be done in main() or any testing functions
• Make sure that you clearly show how the C++ class, its methods and all
the functions are being called at least twice and print out its return value
and its results properly.
This is just a practice question.
 
prior_midterm_cpp_as_practice (1 X
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prior_midterm_cpp_as_practice (1).pdf
2 / 3
+ | 0 O
200%
ng CaIea
proper valucs,
3. Define a new "findLatestDegreesBySubject" function that accepts 3
parameters:
An array of "Degree" objects (not object pointers)
o Array's length
o Search subject
It will return a vector of integers containing the indices to the array that
contains the objects of the same subject that has the latest year (e.g. the
latest year number in the aray for that subject).
Show how this function is being called and returning proper values.
4. Write a function named "HasTheSameEndingChar" that accepts 2
梦 $
1:45 PM
Type here to search
2/16/2021
•..
...
II
expand button
Transcribed Image Text:prior_midterm_cpp_as_practice (1 X O File | C:/Users/myatk/Downloads/prior_midterm_cpp_as_practice%20(1).pdf prior_midterm_cpp_as_practice (1).pdf 2 / 3 + | 0 O 200% ng CaIea proper valucs, 3. Define a new "findLatestDegreesBySubject" function that accepts 3 parameters: An array of "Degree" objects (not object pointers) o Array's length o Search subject It will return a vector of integers containing the indices to the array that contains the objects of the same subject that has the latest year (e.g. the latest year number in the aray for that subject). Show how this function is being called and returning proper values. 4. Write a function named "HasTheSameEndingChar" that accepts 2 梦 $ 1:45 PM Type here to search 2/16/2021 •.. ... II
Expert Solution
Check Mark
Step 1: Code

#include <iostream>

#include <vector>

using namespace std;

class Degree

{

    int year;

    string subject;

public:

    Degree(int y, string s)

    {

        year = y;

        subject = s;

    }

    int getYear()

    {

        return year;

    }

    string getSubject()

    {

        return subject;

    }

    void setYear(int y)

    {

        year = y;

    }

    void setSubject(string s)

    {

        subject = s;

    }

    void print()

    {

        cout << "\n\nYEAR: " << getYear();

        cout << "\tSUBJECT: " << getSubject();

    }

};

vector<Degree *> findDegreesByYearAndSubject(Degree *degrees, int length, int year, string subject)

{

    vector<Degree *> return_degree;

    for (int i = 0; i < length; i++)

    {

        if (degrees[i].getYear() == year && degrees[i].getSubject() == subject)

        {

            return_degree.push_back(&degrees[i]);

        }

    }

    return return_degree;

}

int main()

{

    Degree *degrees;

    int length;

    cout << "\nPlease Enter the size: ";

    cin >> length;

    degrees = (Degree *)malloc(length * sizeof(Degree));

    int year;

    string subject;

    int i = 0;

    while (i < length)

    {

        cout << "\nEnter the year: ";

        cin >> year;

        cout << "Enter the subject: ";

        cin >> subject;

        degrees[i].setYear(year);

        degrees[i].setSubject(subject);

        ++i;

    }

    cout << "\nEnter the year to be search: ";

    cin >> year;

    cout << "Enter the subject to be search: ";

    cin >> subject;

    vector<Degree *> result = findDegreesByYearAndSubject(degrees, length, year, subject);

    cout<<"\n\nRESULTS:";

    for(int i = 0; i < result.size(); i++){

        result[i]->print();

    }

}

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