public (C# Reference)
The public
keyword is an access modifier for types and type members. Public access is the most permissive access level. There are no restrictions on accessing public members, as in this example:
class SampleClass
{
public int x; // No access restrictions.
}
See Access Modifiers and Accessibility Levels for more information.
In the following example, two classes are declared, PointTest
and Program
. The public members x
and y
of PointTest
are accessed directly from Program
.
class PointTest
{
public int x;
public int y;
}
class Program
{
static void Main()
{
var p = new PointTest();
// Direct access to public members.
p.x = 10;
p.y = 15;
Console.WriteLine($"x = {p.x}, y = {p.y}");
}
}
// Output: x = 10, y = 15
If you change the public
access level to private or protected, you will get the error message:
'PointTest.y' is inaccessible due to its protection level.
For more information, see Declared accessibility in the C# Language Specification. The language specification is the definitive source for C# syntax and usage.
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