a code jam

codejam.cs

namespace CodeChellange1
{
    class Animal
    {
        public void walk()
        {
            Console.WriteLine("i am walking");
        }
    }
    class  Bird : Animal
    {
        public void fly()
        {
            Console.WriteLine("i am flying");
        }
        public void sing()
        {
            Console.WriteLine("i am singing");
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");
            Bird bird = new Bird();
            bird.fly();
            bird.walk();
            bird.sing();
        }
    }
}

namespace CodeChellange2
{
    abstract class Book
    {
        public String title;

        public abstract void SetTitle(String theTitle);
            
        public String getTitle()
        {
            return title;
        }
    }
    class Novel : Book
    {
        public override void SetTitle(string theTitle)
        {
            title = theTitle;
        }
        
       
    }
    class Program
    {
        static void Main(string[] args)
        {
            Novel novel = new Novel();
            novel.SetTitle("Sikap Bodoh");
            Console.WriteLine("The title is "+novel.getTitle());
        }
    }
}