C Sharp Strings Questions and Answers

Which of the following statements are true about the C#.NET code snippet given below? String s1, s2; s1 = "Hi"; s2 = "Hi";     String objects cannot be created without using new.     Only one object will get created.     s1 and s2 both will refer to the same object.     Two objects will get created, one pointed to by s1 and another pointed to by s2.     s1 and s2 are references to the same object.

Which of the following will be the correct output for the C#.NET code snippet given below? String s1 = "ALL MEN ARE CREATED EQUAL"; String s2; s2 = s1.Substring(12, 3); Console.WriteLine(s2);

Which of the following statements will correctly copy the contents of one string into another ?

The string built using the String class are immutable (unchangeable), whereas, the ones built- using the StringBuilder class are mutable.

Which of the following will be the correct output for the C#.NET code snippet given below? String s1 = "Nagpur"; String s2; s2 = s1.Insert(6, "Mumbai"); Console.WriteLine(s2);

If s1 and s2 are references to two strings, then which of the following is the correct way to compare the two references?

Which of the following will be the correct output for the C#.NET code snippet given below? String s1="Kicit"; Console.Write(s1.IndexOf('c') + " "); Console.Write(s1.Length);

Which of the following is correct way to convert a String to an int?     String s = "123";     int i;     i = (int)s;     String s = "123";     int i;     i = int.Parse(s);     String s = "123";     int i;     i = Int32.Parse(s);     String s = "123";     int i;     i = Convert.ToInt32(s);     String s = "123";     int i;     i = CInt(s);

Which of the following statements about a String is correct?

Which of the following statement is correct about a String in C#.NET?