How to inject Collection in Spring
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loveprogramming viết ngày 03/05/2021

https://grokonez.com/spring-framework/how-to-inject-collection-in-spring

How to inject Collection in Spring

Spring supports us the way to inject Collection with type: List, Set, Map and Properties. So we can pass a bundle of direct data values or reference of beans to Collection Objects.

The tutorial shows you how to use XML configuration to do those things.

Related Post:
How to use Spring Factory Method to create Spring Bean

II. Technology

  • Java 1.8
  • Maven 3.3.9
  • Spring Tool Suite – Version 3.8.1.RELEASE
  • Spring Boot: 1.4.0.RELEASE

    III. Overview

    1. Goal

    
    public class CustomerService {
    
    Set serviceSet;
    Map channelServiceMap;
    List customerList;
    Properties language;
    }

    To build an application that runs with bean customerService of class CustomerService which has many members under Collection Types: List, Set, Map, Properties (with primitive datatype and Java Class Objects):
    injectcollection-bean-goal

    2. Project Structure

    injectcollections-projectstructure

    3. Step to do

  • Create Spring Boot project

  • Create DataModels

  • Create a Service

  • Create Spring Bean Configuration File

  • Create a Web Controller

  • Run Spring Boot Application & Enjoy Result

    IV. Practice

    1. Create Spring Boot project

  • Open Spring Tool Suite, on Menu, choose File -> New -> Spring Starter Project, then fill each fields:
    injectcollection-startproject

More at:

https://grokonez.com/spring-framework/how-to-inject-collection-in-spring

How to inject Collection in Spring

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