BAEL-3704: Add missing code samples (#10226)

spring-boot-modules/spring-boot-properties/src/main/java/com/baeldung/configurationproperties/ConfigurationScanDemoApplication.java

@@ -0,0 +1,14 @@
+package com.baeldung.configurationproperties;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.ConfigurationPropertiesScan;
+
+@SpringBootApplication
+@ConfigurationPropertiesScan("com.baeldung.configurationproperties")
+public class ConfigurationScanDemoApplication{
+
+    public static void main(String[] args) {
+        SpringApplication.run(ConfigurationScanDemoApplication.class, args);
+    }
+}

spring-boot-modules/spring-boot-properties/src/main/java/com/baeldung/configurationproperties/EnableConfigurationDemoApplication.java

@@ -0,0 +1,13 @@
+package com.baeldung.configurationproperties;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+
+@SpringBootApplication
+@EnableConfigurationProperties(ConfigProperties.class)
+public class EnableConfigurationDemoApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(EnableConfigurationDemoApplication.class, args);
+    }
+}