annotation based autowiring can never give multiple results even though it is by type

My question is: In a web application where I use context component scan rather than writing bean in xml,the beans are created automatically so if in a class I write @autowiring it's implicitly by type and there can never be multiple results in this case, which may normally occur if I use xml way of declaring like My understanding is that in xml format when I repeat multiple beans with same class it's instantiated only once but value/property value differ each time as classes are singelton implicitly.So when I autowire in that case springs is confused which bean I am talking about but in annoations as beans are created by there own this scenario will never occur. Is the understanding correct ?

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