arraylist - Java: this keyword preceded by class name -

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मुझे ArrayList.java में jdk 8 से एक स्निपेट मिला है: 

  @SuppressWarnings (" अनियंत्रित ") सार्वजनिक ई अगले () {checkForComodification (); Int i = कर्सर; यदि (i & gt; = आकार) नए नोएसचएलेमेंट अपवाद () फेंकें; वस्तु [] तत्व Data = ArrayList.this.elementData; अगर (i & gt; = elementData.length) नए समवर्तीकरण को सुधारने की अभिव्यक्ति (); कर्सर = i + 1; वापसी (ई) तत्व डेटा [अंतिम रीसेट = i];   
 लाइन:  वस्तु [] elementData = ArrayList.this.elementData;  मुझे अजीब लग रहा है।  
 मुझे लगता है कि  ArrayList.This  के बराबर है  यह  यहां। क्या मैं सही हू? यदि कोई अंतर है, तो  ArrayList.This  पर  यह ?   
 
   
 एक इनर क्लास का एक बाहरी वर्ग का संदर्भ है। बाहरी कक्षा  इस  का उपयोग करने के लिए आप इससे पहले बाहरी कक्षा की कक्षा डालते हैं।  
 नोट: इस मामले में  यह  एक इटरेटर है और इसे ' टी में  elementData     नामक फ़ील्ड है

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