Issue 5231 - Use Java 7 features

adblockplussbrowser/src/org/adblockplus/sbrowser/contentblocker/WhitelistedWebsitesPreferenceCategory.java

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 20 matching lines @@
 import org.adblockplus.adblockplussbrowser.R;
 import org.adblockplus.sbrowser.contentblocker.engine.Engine;
 import org.adblockplus.sbrowser.contentblocker.engine.EngineService;
 
 import java.util.Collections;
 import java.util.Set;
 import java.util.TreeSet;
 
 public class WhitelistedWebsitesPreferenceCategory extends PreferenceCategory
 {
-  private final Set<String> whitelistedWebsites = new TreeSet<String>();
+  private final Set<String> whitelistedWebsites = new TreeSet<>();
   private Engine engine;
 
   public WhitelistedWebsitesPreferenceCategory(Context context, AttributeSet attrs)
   {
     super(context, attrs);
     // This is required to remove the title TextView of the PreferenceCategory
     this.setLayoutResource(R.layout.empty_view);
   }
 
   @Override
@@ skipping 133 matching lines @@
         {
           if (WhitelistedWebsitePreference.this.onDeleteClickListener != null)
           {
             WhitelistedWebsitePreference.this.onDeleteClickListener.onClick(dialog, which);
           }
         }
       });
     }
   }
 }