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Describe how to redesign the AbstractHashMap framework to include support for a method,…

Describe how to redesign the AbstractHashMap framework to include support for a method,…

Describe how to redesign the AbstractHashMap framework to include support for a method, containsKey, as described in Exercise R-10.3.Exercise R-10.3The use of null values in a map is problematic, as there is then no way to differentiate whether a null value returned by the call get(k) represents the legitimate value of an entry (k,null), or designates that key k was not found. The java.util.Map interface includes a boolean method, containsKey(k), that resolves any such ambiguity. Implement such a method for the UnsortedTableMap class.