Thursday, 15 July 2010

java - Extending TreeMap to only take Integer -> Integer mappings? -


I want to create a square that is an extension of TreeMap Is able to map to any integer no integer

P> your class 

  class Try to declare as MyTreeMap TreeMap & lt; Integer, Integer & gt; {  
 Note that there is no type parameter in  MyTreeMap , because we know that we only want to deal with  integer  s .
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