Code for test article: Different Types of Bean Injection in Spring

spring-core/src/main/java/com/baeldung/dependencyinjectiontypes/Article.java

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+package com.baeldung.dependencyinjectiontypes;
+
+import org.springframework.beans.factory.annotation.Autowired;
+
+public class Article {
+
+    private TextFormatter formatter;
+
+    public Article(TextFormatter formatter) {
+        this.formatter = formatter;
+    }
+
+    @Autowired
+    public void setTextFormatter(TextFormatter formatter) {
+        this.formatter = formatter;
+    }
+    
+    public String format(String text) {
+        return formatter.format(text);
+    }
+}

spring-core/src/main/java/com/baeldung/dependencyinjectiontypes/ArticleFormatter.java

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+package com.baeldung.dependencyinjectiontypes;
+
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+public class ArticleFormatter {
+
+    @SuppressWarnings("resource")
+    public static void main(String[] args) {    	
+        ApplicationContext context = new ClassPathXmlApplicationContext("dependencyinjectiontypes-context.xml");
+        Article article = (Article) context.getBean("articleBean");
+        String formattedArticle = article.format("This is a text !");
+        
+        System.out.print(formattedArticle);
+    }
+}

spring-core/src/main/java/com/baeldung/dependencyinjectiontypes/TextFormatter.java

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+package com.baeldung.dependencyinjectiontypes;
+
+public class TextFormatter {
+
+    public String format(String text) {
+        return text.toUpperCase();
+    }
+}

spring-core/src/main/resources/dependencyinjectiontypes-context.xml

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+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
+	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
+	xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"
+	xmlns:task="http://www.springframework.org/schema/task" xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.2.xsd">
+   
+   <context:annotation-config/>
+
+	<bean id="articleBean"
+		class="com.baeldung.dependencyinjectiontypes.Article">
+		<constructor-arg ref="textFormatterBean" />
+	</bean>
+	
+	<bean id="textFormatterBean" class="com.baeldung.dependencyinjectiontypes.TextFormatter">
+	</bean>
+</beans>