Size of Hashtable can be find by size() method. In size method, it will return value in integer.
Example of finding size in Hashtable in Java
Hashtable<Integer,String> hTable=new Hashtable<Integer,String>();
hTable.put(new Integer(2), "Two");
hTable.put(new Integer(1), "One");
hTable.put(new Integer(4), "Four");
hTable.put(new Integer(3), "Three");
hTable.put(new Integer(5), "Five");
int sizeOfHashtable=hTable.size();
System.out.println("Size of Hashtable :"+sizeOfHashtable);
Output
Size of Hashtable :5
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