Csharp Interview Questions :: String Literals :: Basic

• String Literals - Basic

Why strings are of reference type in C#.NET ?

Answer:

Explanation:

A string does not have a pre-defined memory size, so it requires dynamic memory.  When a string object is created, the actual value is stored within dynamic memory, or on the heap.  To access it, a reference to this memory space is stored in the stack, thus the name "reference type".

From the following statements, what is the correct statement about strings?

Answer:

Explanation:

What is the output for the C#.NET code given below?

string s1 = " I AM OK ";
string s2;
s2 = s1.substring (6, 2);
Console.WriteLine (s2);

Answer:

Explanation:

Substring() is used to extract substring from the given string. In this condition, it extracts a substring beginning at 6th position with 2 characters.

which is the correct way to find if the contents of two strings, s1 and s2 are equal ?

Answer:

Explanation:

What is the output for the given C#.NET code?

static void Main(string[] args)
{
string s1 = "Kerala";
string s2;
s2 = s1.Insert (7, "Assam");
Console.WriteLine(s2);
}

Answer:

Explanation:

String.Insert() method is used to join two strings.

• String Literals - Basic