BAEL-2940 Update Spring ComponentScanning. Moved componentscan code to new module.

spring-boot-di/src/main/java/com/baeldung/componentscan/springapp/SpringComponentScanApp.java

@@ -0,0 +1,34 @@
+package com.baeldung.componentscan.springapp;
+
+import com.baeldung.componentscan.ExampleBean;
+
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ComponentScan
+//@ComponentScan(excludeFilters = @ComponentScan.Filter(type = FilterType.ASSIGNABLE_TYPE, value = Rose.class))
+//@ComponentScan(basePackages = "com.baeldung.componentscan.springapp")
+//@ComponentScan(basePackages = "com.baeldung.componentscan.springapp.animals")
+//@ComponentScan (excludeFilters = @ComponentScan.Filter(type=FilterType.REGEX,pattern="com\\.baeldung\\.componentscan\\.springapp\\.flowers\\..*"))
+public class SpringComponentScanApp {
+
+    private static ApplicationContext applicationContext;
+
+    @Bean
+    public ExampleBean exampleBean() {
+        return new ExampleBean();
+    }
+
+    public static void main(String[] args) {
+        applicationContext = new AnnotationConfigApplicationContext(SpringComponentScanApp.class);
+
+        for (String beanName : applicationContext.getBeanDefinitionNames()) {
+            System.out.println(beanName);
+        }
+    }
+
+}