What is Public Access Modifier in C#?

You can associate public access modifier to a type or any members of the type.

Consider the following example:

public class sampleClass {
public int member1;
public sampleClass(int member1) {
this.member1 = member1;
}
}
public class testClass {
public static void Main() {
sampleClass obj = new sampleClass(10);
Console.WriteLine(“obj.member1={0}”, obj.member1);
obj.member1 = 100;
Console.WriteLine(“After update: obj.member1={0}”, obj.member1);
}
}

Output of this code will be:

obj.member1=10
After update: obj.member1=100

In this example, you have created two classes namely sampleClass and testClass. You have associated public modifier with these classes. You have also marked their members as public. Since member1 is a public member of sampleClass, it can be directly accessed from any class using an instance of sampleClass. This is demonstrated inside Main method of testClass, where in you create an instance of sampleClass and you perform read and write operations on member1 directly.

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