Spring Core - Constructor Injection with Reference Type

This project demonstrates Constructor Injection with Reference Type in the Spring Framework using XML Configuration.

A Patient object depends on a Doctor object. Spring IoC Container injects the Doctor bean into the Patient bean using constructor injection and the ref attribute.

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🚀 Features

• Spring IoC Container
• XML-based Configuration
• Constructor Injection
• Reference Type Injection
• Dependency Injection
• Maven Project

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🛠 Technologies Used

• Java
• Spring Core
• Maven
• XML

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📂 Project Structure

SpringCore-ConstructorInjection-WithReference
│
├── src
│   └── main
│       ├── java
│       │   ├── com
│       │   │   └── configuration
│       │   │       └── application-context.xml
│       │   │
│       │   └── springcore
│       │       └── constructor_inj_with_refrence
│       │           ├── App.java
│       │           ├── Patient.java
│       │           └── Doctor.java
│       │
│       └── resources
│
├── pom.xml
├── README.md
└── .gitignore

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XML Configuration

<bean id="doctor" class="springcore.constructor_inj_with_refrence.Doctor">

    <constructor-arg value="R.D. Patel"/>
    <constructor-arg value="Plastic Surgery"/>

</bean>

<bean id="patient" class="springcore.constructor_inj_with_refrence.Patient">

    <constructor-arg value="Prakhar"/>
    <constructor-arg value="23"/>
    <constructor-arg ref="doctor"/>

</bean>

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Output

Patient [name=Prakhar, age=23, doctor=Doctor [doctorName=R.D. Patel, specialization=Plastic Surgery]]

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Concepts Covered

• Spring IoC Container
• Dependency Injection
• Constructor Injection
• Reference Type Injection
• XML Bean Configuration
• Bean Relationships

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Author

Prakhar Panchal