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Tip of the Day
Home » Tip Bank » C++ » Coding
Language: C
Expertise: Beginner
Jan 20, 2004

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Creating and Managing Global Variables

Sometimes, you can't avoid declaring global variables in C++. However, should you prefer not to mix C++ with C code techniques, try the following:
  • Create a global class and add your global variables.
    
    class MY_GLOBALS
    {
       static int global_var1;
       static int global_var2;
       .
       .
       .
    };
    
  • Next, access the data member of MY_GLOBALS:
    
    MY_GLOBALS::global_var1 = 10;
    some_var = MY_GLOBALS::global_var1;
    
This helps you avoid declaring external variables. Moreover, you keep all your global variables in one class instead of scattering them throughout different files.
Reza Nalbandi
 
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