Explore more Topics under C# programming

static void Main(string[] args)
 {
     string s1 = "Hello I Love Csharp ";
     Console.WriteLine(Convert.ToChar( (s1.IndexOf('I') - s1.IndexOf('l')) * s1.IndexOf('p'));
     Console.ReadLine();
 }

static void Main(string[] args)
 {
     String obj = "hello";
     String obj1 = "world";   
     String obj2 = obj;
     Console.WriteLine (obj.Equals(obj2) + "  " + obj2.CompareTo(obj) );
     Console.ReadLine();
 }

static void Main(string[] args)
 {
     String obj = "hello";
     String obj1 = "world";   
     String obj2 = obj;
     Console.WriteLine(obj + "  " + obj1);
     string s = obj + "  " + obj1;
     Console.WriteLine(s.Length);
     Console.ReadLine();
 }

static void Main(string[] args)
 {
     String obj = "hello";
     String obj1 = "world";   
     String obj2 = obj;
     string s = obj+" "+obj1;
     Console.WriteLine(s.IndexOf('r'));
     Console.ReadLine();
 }