Spring Framework Master Class - Java Spring the Modern Way - Step 13 - Autowiring in Depth - @Qualifier Annotation

The video tutorial explores different methods for resolving multiple candidates in auto wiring, including using @Primary, @Qualifier, and auto wiring by name. It explains the scenarios where each method is most effective, with @Primary being ideal for a single preferred algorithm, while @Qualifier and auto wiring by name are suitable for situations requiring different algorithms. The tutorial emphasizes the importance of understanding these methods to efficiently resolve dependencies and encourages viewers to experiment with them for deeper comprehension.

Describe the scenarios where 'at primary' may not be suitable for sorting algorithms.

What is the preferred method for auto wiring according to the speaker, and why?