remove Interface-Suffix

Behavioral/NullObject/Logger.php

@@ -6,7 +6,7 @@ namespace DesignPatterns\Behavioral\NullObject;
 /**
  * Key feature: NullLogger must inherit from this interface like any other loggers
  */
-interface LoggerInterface
+interface Logger
 {
     public function log(string $str);
 }

Behavioral/NullObject/NullLogger.php

@@ -3,7 +3,7 @@ declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\NullObject;
 
-class NullLogger implements LoggerInterface
+class NullLogger implements Logger
 {
     public function log(string $str)
     {

Behavioral/NullObject/PrintLogger.php

@@ -3,7 +3,7 @@ declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\NullObject;
 
-class PrintLogger implements LoggerInterface
+class PrintLogger implements Logger
 {
     public function log(string $str)
     {

Behavioral/NullObject/README.rst

@@ -43,9 +43,9 @@ Service.php
    :language: php
    :linenos:
 
-LoggerInterface.php
+Logger.php
 
-.. literalinclude:: LoggerInterface.php
+.. literalinclude:: Logger.php
    :language: php
    :linenos:
 

Behavioral/NullObject/Service.php

@@ -6,14 +6,14 @@ namespace DesignPatterns\Behavioral\NullObject;
 class Service
 {
     /**
-     * @var LoggerInterface
+     * @var Logger
      */
     private $logger;
 
     /**
-     * @param LoggerInterface $logger
+     * @param Logger $logger
      */
-    public function __construct(LoggerInterface $logger)
+    public function __construct(Logger $logger)
     {
         $this->logger = $logger;
     }