Question

Can we create an object of the inner class in the constructor of the outer class into C#? Is it legal?

public class Outer
{
    public Inner InnerObj {get; set; }

    public Outer()
    {
        Inner inner = new Inner();
    }

    public Outer(Inner inner)
    {
        InnerObj = inner;
    }

    public class Inner
    {
    }
} 

for Java I take the reference from below link:
Can we create an object of the inner class in the constructor of the outer class?

My colleague said this is not possible in C# and it’s totally illegal. Please guide me.

Answer 1

It is possible if you declare the Inner class public

public class Inner { }