static void SubMainWithDI()
{
//with dependency injection, it will automatically injected the proper object into arguments.
ContextA _contextA = Container.Resolve <ContextA>();
ContextB _contextB = Container.Resolve <ContextB>();
ContextC _contextC = Container.Resolve <ContextC>();
_contextA.DoSomething();
_contextB.DoSomething();
_contextC.DoSomething();
}
static void SubMainWithoutDI()
{
//without dependency injection, manually inputed the object
ContextA contextA = new ContextA(new ClassA());
ContextB contextB = new ContextB(new ClassA(), new ClassB());
ContextC contextC = new ContextC(new ClassA(), new ClassB(), new ClassC());
contextA.DoSomething();
contextB.DoSomething();
contextC.DoSomething();
}