Add missing @Override

samples/boot/findbyusername/src/main/java/sample/config/SecurityConfig.java

@@ -35,6 +35,7 @@ import org.springframework.security.provisioning.InMemoryUserDetailsManager;
 public class SecurityConfig extends WebSecurityConfigurerAdapter {
 
 	@Bean
+	@Override
 	public UserDetailsService userDetailsService() {
 		InMemoryUserDetailsManager manager = new InMemoryUserDetailsManager();
 		manager.createUser(

samples/boot/findbyusername/src/main/java/sample/session/SessionDetailsFilter.java

@@ -57,6 +57,7 @@ public class SessionDetailsFilter extends OncePerRequestFilter {
 	}
 
 	// tag::dofilterinternal[]
+	@Override
 	public void doFilterInternal(HttpServletRequest request, HttpServletResponse response,
 			FilterChain chain) throws IOException, ServletException {
 		chain.doFilter(request, response);