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/* Get Size of Java LinkedHashSet Example This Java Example shows how to get the size or nubmer of elements stored in Java LinkedHashSet object using size method. */ import java.util.LinkedHashSet; public class GetSizeOfJavaLinkedHashSetExample{ public static void main(String[] args) { //create LinkedHashSet object LinkedHashSet lhashSet = new LinkedHashSet(); /* To get the size of LinkedHashSet use int size() method of LinkedHashSet class. It returns the number of elements stored in LinkedHashSet object. */ System.out.println("Size of LinkedHashSet : " + lhashSet.size()); //add elements to LinkedHashSet object lhashSet.add(new Integer("1")); lhashSet.add(new Integer("2")); lhashSet.add(new Integer("3")); System.out.println("Size of LinkedHashSet after addition : " + lhashSet.size()); //remove one element from LinkedHashSet using remove method lhashSet.remove(new Integer("1")); System.out.println("Size of LinkedHashSet after removal : " + lhashSet.size()); } } /* Output would be Size of LinkedHashSet : 0 Size of LinkedHashSet after addition : 3 Size of LinkedHashSet after removal : 2 */ |
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