/*
C#: The Complete Reference
by Herbert Schildt
Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Explicitly implement an interface member.
using System;
interface IEven {
bool isOdd(int x);
bool isEven(int x);
}
class MyClass : IEven {
// explicit implementation
bool IEven.isOdd(int x) {
if((x%2) != 0) return true;
else return false;
}
// normal implementation
public bool isEven(int x) {
IEven o = this; // reference to invoking object
return !o.isOdd(x);
}
}
public class Demo {
public static void Main() {
MyClass ob = new MyClass();
bool result;
result = ob.isEven(4);
if(result) Console.WriteLine("4 is even.");
else Console.WriteLine("3 is odd.");
// result = ob.isOdd(); // Error, not exposed
}
}
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