Collection Set Interface Examples | 2022 | Java Part -88
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Set Interface:-
1.HashSet :-
Duplicate are not allowed, if we try to insert duplicate we don’t get any error just add method return false and that element not added in HastSet.
HashSet don’t follow insertion order here element stored base on hash-code of Objects.
Heterogeneous object are allowed here.
Null insertion passible hear.
HashSet is best choice if our frequent operation is search operation.
HashSet initial capacity is 16 & default Fill Ratio 0.75
HashSet have four Constructor.
Ex:- HashSet hs=new HashSet();
Load Factor / Fill Ratio:-
After Loading How much Factor, new HashSet Object created that is nothing but load factor
Ex: 0.75 is HashSet Load Factor. 12 element is occupied then it will add one element
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