Example of Hashset size() method in java.
Posted on: April 4, 2011 at 12:00 AM
Posted on: April 4, 2011 at 12:00 AM
Example of Hashset size() method in java.
The size() is a method of HashSet class. It is used to calculte the size of HashSet. The size of method is equal to total number of elements in HashSetCode:
SizeOfHashSet.java
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package net.roseindia;import java.util.HashSet;public class SizeOfHashSet { public static void main(String[] arg) {HashSet obHashSet = new HashSet();obHashSet.add( new Integer(1));obHashSet.add( new Integer(2));obHashSet.add( new Integer(3));obHashSet.add( new Integer(4));System. out.println("All Elements in HashSet : " + obHashSet);System. out.println("Size of HashSet : " + obHashSet.size());} } |
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All Elements in HashSet : [1, 2, 3, 4] Size of HashSet : 4 |
