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Let’s look at the examples to Autowire the Spring beans by constructor, by type and by their names using Spring XML configuration. Class Structure Product – a POJO class to store product info ProductDAO – an interface that we will use in a dependent service class ProductDAOImpl – an implementation of ProductDAO returns list of … Read more

In this example, I’ll show how to do an Annotation Based Spring configuration to define beans and auto wire them together. Use Case The Use Case we are going to work on is to fetch list of employees from a service. The service inturn fetch it from data access object. Creating a Maven Project First … Read more

In this example, we will inject the dependencies of a class using setter injection. For setter injection, if class A refers to another class called as B, then A should expose a setter method with B as its argument. Use Case The use case that we implement is like the one we did using constructor … Read more

This is an example to show you how we can inject dependencies using constructor injection within Spring XML configuration. Use Case Our use case is simple, we want to establish the dependencies between app, service and data access layers. We want to retrieve list of users from database (mocked in our case) using a data … Read more