I have a question about my c++ homework code. I particular did not understand this line: "const int num_months=12;" . I know it refers num_months refers a constant, but why the professor wrote int in this line? What does this mean? please give me an explanation for the "int" in this line.    #include #include #include using namespace std;  int main() {     const int num_months=12;      string name[num_months]={"january", "march", "may"};      int days [num_months]={31, 28, 20};     for (int month=0; month

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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I have a question about my c++ homework code. I particular did not understand this line: "const int num_months=12;" . I know it refers num_months refers a constant, but why the professor wrote int in this line? What does this mean? please give me an explanation for the "int" in this line. 

 

#include<iostream>
#include<iomanip>
#include<string>
using namespace std; 
int main()
{
    const int num_months=12; 
    string name[num_months]={"january", "march", "may"}; 
    int days [num_months]={31, 28, 20};
    for (int month=0; month<num_months; month++)
    {
        cout<<setw(9)<<left<<name[month]<<"has"; 
        cout<<days[month]<<"days. /n"; 
    }

    return 0; 
}

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