Public vs private access : public « Class « C# / CSharp Tutorial

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C# / CSharp Tutorial » Class » public 
7.17.1.Public vs private access

It is OK for a member of a class to access a private member of the same class.

using System; 
 
class MyClass {  
  private int a; // private access explicitly specified 
  int b;          // private access by default 
  public int gamma;  // public access 
   
  public void setAlpha(int val) { 
    a = val;  
  
 
  public int getAlpha() { 
    return a; 
  
 
  public void setBeta(int a) { 
    b = a;  
  
 
  public int getBeta() { 
    return b; 
  
}  
  
class AccessDemo {  
  public static void Main() {  
    MyClass ob = new MyClass();  
  
    /* Access to a and b is allowed only through methods. */ 
    ob.setAlpha(-99)
    ob.setBeta(19)
    Console.WriteLine("ob.a is " + ob.getAlpha())
    Console.WriteLine("ob.b is " + ob.getBeta())
 
    // You cannot access a or b like this: 
//  ob.a = 10; // Wrong! a is private! 
//  ob.b = 9;   // Wrong! b is private! 
 
    // It is OK to directly access gamma because it is public. 
    ob.gamma = 99;  
   }  
}
ob.a is -99
ob.b is 19
7.17.public
7.17.1.Public vs private access
7.17.2.Use an access modifier with an accessor
7.17.3.Re-using Base Class Identifiers
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