Added Java based configuration. Downloaded formatter.xml and reformatted

all changed files. Manually changed tab into 4 spaces in XML
configuration files.

spring-core/src/main/java/com/baeldung/setterdi/Config.java

@@ -0,0 +1,35 @@
+package com.baeldung.setterdi;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+import com.baeldung.setterdi.domain.Engine;
+import com.baeldung.setterdi.domain.Trailer;
+import com.baeldung.setterdi.domain.Transmission;
+
+@Configuration
+@ComponentScan("com.baeldung.setterdi")
+public class Config {
+
+    @Bean
+    public Engine engine() {
+        Engine engine = new Engine();
+        engine.setType("v8");
+        engine.setVolume(5);
+        return engine;
+    }
+
+    @Bean
+    public Transmission transmission() {
+        Transmission transmission = new Transmission();
+        transmission.setType("sliding");
+        return transmission;
+    }
+
+    @Bean
+    public Trailer trailer() {
+        Trailer trailer = new Trailer();
+        return trailer;
+    }
+}

spring-core/src/main/java/com/baeldung/setterdi/SpringRunner.java

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+package com.baeldung.setterdi;
+
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+import com.baeldung.setterdi.Config;
+import com.baeldung.setterdi.domain.Car;
+
+public class SpringRunner {
+    public static void main(String[] args) {
+        Car toyota = getCarFromXml();
+
+        System.out.println(toyota);
+
+        toyota = getCarFromJavaConfig();
+
+        System.out.println(toyota);
+
+    }
+
+    private static Car getCarFromJavaConfig() {
+        ApplicationContext context = new AnnotationConfigApplicationContext(Config.class);
+
+        return context.getBean(Car.class);
+    }
+
+    private static Car getCarFromXml() {
+        ApplicationContext context = new ClassPathXmlApplicationContext("setterdi.xml");
+
+        return context.getBean(Car.class);
+    }
+}

spring-core/src/main/java/com/baeldung/setterdi/domain/Car.java

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+package com.baeldung.setterdi.domain;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+public class Car {
+    private Engine engine;
+    private Transmission transmission;
+    private Trailer trailer;
+
+    public Car() {
+    }
+
+    @Autowired
+    public void setEngine(Engine engine) {
+        this.engine = engine;
+    }
+
+    @Autowired
+    public void setTransmission(Transmission transmission) {
+        this.transmission = transmission;
+    }
+
+    @Autowired
+    public void setTrailer(Trailer trailer) {
+        this.trailer = trailer;
+    }
+
+    @Override
+    public String toString() {
+        return String.format("Engine: %s Transmission: %s Trailer: %s", engine, transmission, trailer);
+    }
+}

spring-core/src/main/java/com/baeldung/setterdi/domain/Engine.java

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+package com.baeldung.setterdi.domain;
+
+public class Engine {
+    private String type;
+    private int volume;
+
+    public Engine() {
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public void setVolume(int volume) {
+        this.volume = volume;
+    }
+
+    @Override
+    public String toString() {
+        return String.format("%s %d", type, volume);
+    }
+}

spring-core/src/main/java/com/baeldung/setterdi/domain/Trailer.java

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+package com.baeldung.setterdi.domain;
+
+public class Trailer {
+    public Trailer() {
+    }
+
+    @Override
+    public String toString() {
+        return "Trailer";
+    }
+}

spring-core/src/main/java/com/baeldung/setterdi/domain/Transmission.java

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+package com.baeldung.setterdi.domain;
+
+public class Transmission {
+    private String type;
+
+    public Transmission() {
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    @Override
+    public String toString() {
+        return String.format("%s", type);
+    }
+}

spring-core/src/main/resources/constructordi.xml

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+<beans xmlns="http://www.springframework.org/schema/beans"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://www.springframework.org/schema/beans
+    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
+
+    <bean id="toyota" class="com.baeldung.constructordi.domain.Car">
+        <constructor-arg index="0" ref="engine" />
+        <constructor-arg index="1" ref="transmission" />
+    </bean>
+
+    <bean id="engine" class="com.baeldung.constructordi.domain.Engine">
+        <constructor-arg index="0" value="v4" />
+        <constructor-arg index="1" value="2" />
+    </bean>
+
+    <bean id="transmission" class="com.baeldung.constructordi.domain.Transmission">
+        <constructor-arg value="sliding" />
+    </bean>
+
+</beans>

spring-core/src/main/resources/setterdi.xml

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+<beans xmlns="http://www.springframework.org/schema/beans"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://www.springframework.org/schema/beans
+    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
+
+    <bean id="toyota" class="com.baeldung.setterdi.domain.Car">
+        <property name="engine" ref="engine" />
+        <property name="transmission" ref="transmission" />
+        <property name="trailer" ref="trailer" />
+    </bean>
+
+    <bean id="engine" class="com.baeldung.setterdi.domain.Engine">
+        <property name="type" value="v4" />
+        <property name="volume" value="2" />
+    </bean>
+
+    <bean id="transmission" class="com.baeldung.setterdi.domain.Transmission">
+        <property name="type" value="sliding" />
+    </bean>
+
+    <bean id="trailer" class="com.baeldung.setterdi.domain.Trailer">
+    </bean>
+
+</beans>