Snippet

Configuration Injection with @Value

The @Value annotation is used to inject values from properties files into your beans. You can also provide default values if the property is missing.

snippet.java

java

@Component
public class AppSettings {
    @Value("${app.timeout:3000}")
    private int timeout;
}

spring

Breakdown

@Value("${app.timeout:3000}")

Reads the property 'app.timeout' from application.properties, defaulting to 3000.

private int timeout

The field where the injected configuration value is stored.