Which of the following statements are correct about the C#.NET code snippet given below?

   int[][]intMyArr = new int[2][]; 
   intMyArr[0] = new int[4]{6, 1, 4, 3}; 
   intMyArr[1] = new int[3]{9, 2, 7};

class Sample
{
    public int func(int i, Single j)
    {
        /* Add code here. */
    }
}

1. A struct can contain properties.
2. A struct can contain constructors.
3. A struct can contain protected data members.
4. A struct cannot contain methods.
5. A struct cannot contain constants.

1. An attribute can be inspected at link-time.
2. An attribute can be inspected at compile-time.
3. An attribute can be inspected at run-time.
4. An attribute can be inspected at design-time.

1. A class
2. A property
3. A struct
4. A function
5. An interface