Properties - Programming

Q1:

If a Student class has an indexed property which is used to store or retrieve values to/from an array of 5 integers, then which of the following are the correct ways to use this indexed property?
  1. Student[3] = 34;
  2. Student s = new Student(); 
    s[3] = 34;
  3. Student s = new Student(); 
    Console.WriteLine(s[3]);
  4. Console.WriteLine(Student[3]);
  5. Student.this s = new Student.this(); 
    s[3] = 34;

A 1, 2

B 2, 3

C 3, 4

D 3, 5

ANS:A - 1, 2

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