jpa - Make a java class that has a list of itself OR some other variable -

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इस नमूना वर्ग पर विचार करें: 

  सार्वजनिक वर्ग फू {निजी सूची & lt; Foo & gt; manyFoos; निजी स्ट्रिंग बार; }   
 मैं इस वर्ग के उदाहरणों को केवल दोनों विशेषताओं में से एक को पॉप्युलेट करने के लिए चाहता हूं सादे जावा में मैं एक इंटरफ़ेस का उपयोग करेगा और दो वर्गों को बनाऊँगा, लेकिन मुझे जेपीए के काम के लिए ठीक से टिप्पणी करने का एक तरीका नहीं मिल सका (ईक्लिप्ससिंक)। क्या इस तर्क को कुछ चालाक डिजाइन तकनीकों के साथ लागू करना संभव है या क्या गेटर्स अंड सेटर्स के अंदर अतिरिक्त कोड की आवश्यकता होती है, जिससे ऐसा व्यवहार हो सकता है?  
 कोई सुझाव अत्यधिक सराहना करते हैं, धन्यवाद!   
 
 
 मैं इस नियम को अपने मॉडल संरचना में रखने की कोशिश नहीं करता, बस अपने तरीकों, या अनुप्रयोग में नियम को लागू करें। / P>

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