How to read data from java properties file using Spring Boot

Question

I have a spring boot application and I want to read some variable from my application.properties file. In fact below codes do that. But I think there is a good

Answer 1

I have created following class

ConfigUtility.java

@Configuration
public class ConfigUtility {

    @Autowired
    private Environment env;

    public String getProperty(String pPropertyKey) {
        return env.getProperty(pPropertyKey);
    }
} 

and called as follow to get application.properties value

myclass.java

@Autowired
private ConfigUtility configUtil;

public AppResponse getDetails() {

  AppResponse response = new AppResponse();
    String email = configUtil.getProperty("emailid");
    return response;        
}

application.properties

emailid=sunny@domain.com

unit tested, working as expected...