Polish samples

samples/javaconfig/security/src/main/java/sample/SecurityConfig.java

@@ -19,6 +19,7 @@ package sample;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.core.userdetails.User;
 
 /**
  * @author Rob Winch
@@ -27,6 +28,7 @@ import org.springframework.security.config.annotation.web.configuration.EnableWe
 public class SecurityConfig {
 	@Autowired
 	public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
-		auth.inMemoryAuthentication().withUser("user").password("{noop}password").roles("USER");
+		auth.inMemoryAuthentication().withUser(User.withDefaultPasswordEncoder()
+				.username("user").password("password").roles("USER").build());
 	}
 }