מימוש ממשקים וירושה מרובה

לפניך הממשקים IOne, ITwo, IThree, IFour והמחלקות Alpha, Beta, Gamma.

Java:

java
1public interface IOne {
2    public boolean firstA(Object x);
3    public void firstB(int num);
4}
5public interface ITwo {
6    public int second();
7}
8public interface IThree {
9    public int third();
10}
11public interface IFour {
12    public int fourth();
13}
14public class Alpha implements IOne {}
15public class Beta implements ITwo, IFour {}
16public class Gamma implements ITwo, IThree {}
17public class Program {
18    public static void main(String[] args) {}
19}

C# (שאלה 15):

csharp
1interface IOne {
2    bool FirstA(Object x);
3    void FirstB(int num);
4}
5interface ITwo {
6    int Second();
7}
8interface IThree {
9    int Third();
10}
11interface IFour {
12    int Fourth();
13}
14public class Alpha: IOne {}
15public class Beta: ITwo, IFour {}
16public class Gamma: ITwo, IThree {}
17public class Program {
18    public static void Main() {}
19}