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Relationships and usage of Collection,List,Set 1. Overview and use of Collection collections Summary: Is the top-level interface to a single-column Collection that represents a set of objects, also known as elements of a CollectionJDK does not support any direct implementation of this interface; it provides more specific subinterface (List a ...

DI: assign values to attributes spring calls the parameterless construction method of the class to create an object. Assign a value to the property after the object is created. To assign a value to an attribute, you can use: Tags and attributes in xml configuration filesUsing annotations DI classification: Set injection is also called set ...