It’s basically designed to store key value pairs HashTable class implements the Map interface and it inherits Dictionary class Main features of HashTable It stores data in the form of key-value pair HashTable is the Synchronized data structure Keys in the HashTable must be unique It does not allow Null key and Null value It […]
We can iterate TreeMap using enhanced for loop with keyset() method or by using enhanced for loop with EntrySet method or by using iterator Case 1 Enhanced for loop with keyset() Example import java.util.*; public class TreeMapEnhancedForLoopExample { public static void main(String args[]) { TreeMap<Integer,String> tm = new TreeMap<>(); tm.put(3, “Three”); tm.put(1, “One”); tm.put(2, […]
