package com.baeldung.properties.spring; import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; @Configuration public class PropertiesWithPlaceHolderConfigurer { public PropertiesWithPlaceHolderConfigurer() { super(); } @Bean public PropertyPlaceholderConfigurer propertyConfigurer() { final PropertyPlaceholderConfigurer props = new PropertyPlaceholderConfigurer(); props.setSystemPropertiesMode(PropertyPlaceholderConfigurer.SYSTEM_PROPERTIES_MODE_FALLBACK); return props; } }