C++ source code for “global class objects” and “local class”: In this CPP tutorial, we are going to discuss about 3 various example programs. These three sample codes are coming under the category of “C++ Class objects“. It can be useful for several school, college students and professionals.

• C++ program for Function Overloading
• C++ Friend Functions with example

Those 3 sample codes are,

• Simple C++ program,
• C++ global class objects,
• C++ Local Class,

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Simple C++ Program:

This code is very basic and it is for beginners understanding. Using this code we can display the string like “Hello - Welcome to Students3k”.
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// Header files
#include<iostream.h>
#include<conio.h>
void main() // Main method
{
clrscr(); // Clears the previous O/P screen
cout<<"Hello - Welcome to Students3k !!"; // Display
getch();
}

C++ Global Class Objects:

Creating objects for global class. These objects are considered to be the global and it can be used in anywhere on this program. A class, access specifiers, constructor, destructor and local objects are using in this C++ tutorial. Code is given below.

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• Worth Read: C++ Interview Questions

#include<iostream.h>
#include<conio.h>
// Class definition
class GlobObj
{
public: // Access specifiers
int who;
GlobObj(int id); // Constructor
~GlobObjs(); // Destructor
}globob1(1), globob2(2); // Global objects
GlobObj::GlobObj(int id)
{
cout<<"Initializing:"<<id<<"\n";
who=id;
}
GlobObj::~GlobObj()
{
cout<<"Destructing"<<who<<"\n";
}
int main() // Main method
{
GlobObj localob1(3);
GlobObj localob2(4);
getch();
return 0;
}

C++ Local Class:

A local class is declared and defined within a method definition. Local class can only use type names, static variables and enumerations. It can be accessed by the SCOPE variable. Example source code is given below.

#include<iostream.h>
#include<conio.h>
void xy(); // Method declaration
int main()
{
xy();
return 0;
}
void xy() // Method definition
{
class local // Local class
{
int k;
public: // Access specifiers
void display(int N)
{
k=N;
}
int input()
{
return k;
}
} O1; // Local class over
O1.display(8);
cout<<O1.input();
}
using namespace std;