![]() ![]() } Use of annotation Spring – AutoWiring byNameĪutowiring byType will not work when there is more than one bean of same type declared. Whenever Spring can’t find a matching bean to wire, it will be throwing BeanCreationException.īut there will time when you want some property to be optional, then we can set the “required” attribute of to false so if Spring cannot find the matching bean it will not be throwing exception. ![]() package com.javainterviewpoint īy default, all the properties with are required. Lets say, if you annotate the property PermanentEmployee or List with Spring will auto-wire all the beans whose type is compatible with PermanentEmployee. } Spring Annotation over array / annotation can also be applied to a property of array type or java collection. Here PermanentEmployee is the constructor argument, so the bean compatible to type PermanentEmployee will be injected. In addition to Setter method annotation can be applied to the Constructor as well, spring will try to wire the bean compatible type of each Constructor argument. Upon running the EmployeeLogic class we will be getting the below output.
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