Interview | DI lifetime Question -1

interview-diinjection

public class Superior : ISuperior
    {
        public string instanceId { get; set; }
        
        public Superior()
        {
            instanceId = GenerateRandomNumberBetweenNotAllocatedBefore(201 to 300);
        }

        public string SaySuperiorInstanceId()
        {
            return instanceId;
        }
    }
//----------------------

public class Dependent : IDependent
    {
        public string instanceId { get; set; }
        public ISuperior Superior { get; }
        public Dependent(ISuperior superior)
        {
            Superior = superior;
            instanceId = GenerateRandomNumberBetweenNotAllocatedBefore(101 to 200);
        }

        public string SayMyInstanceId()
        {
            return instanceId;
        }
        public string SayMySuperiorInstanceId()
        {
            return Superior.SaySuperiorInstanceId();
        }
    }
	
//------

Case 2:
---------	
public static void Configure(IServiceCollection services)
{
	services.AddTransient<ISuperior, Superior>();
	services.AddScoped<IDependent, Dependent>();
}

//----------------------
public void mainControllerCall()
{

 var dep1 = services.GetRequiredService<IDependent>();
 var sup1 = services.GetRequiredService<ISuperior>();
 
 
 var dep2 = services.GetRequiredService<IDependent>();
 var sup2 = services.GetRequiredService<ISuperior>();


 print($"dep1-     {dep1.SayMyInstanceId()}");
 print($"dep1.sup1-{dep1.Superior.SayMySuperiorInstanceId()}");
 print($"sup1-     {sup1.SaySuperiorInstanceId()}");
 print($"dep2-     {dep2.SayMyInstanceId()}");
 print($"dep2.sup2-{dep2.Superior.SayMySuperiorInstanceId()}");
 print($"sup2-     {sup2.SaySuperiorInstanceId()}");
}
-------------------------------





##########################################

Case 3:
---------
public static void Configure(IServiceCollection services)
{
	services.AddTransient<ISuperior, Superior>();
	services.AddSingleton<IDependent, Dependent>();
}