Java HashTable
//Java Hashtable //-------------- import java.io.*; import java.util.*; class AddElementsToHashtable { public static void main(String args[]) { Hashtable<Integer, String> h1 = new Hashtable<>(); // Initialization of a Hashtable using Generics Hashtable<Integer, String> h2 = new Hashtable<Integer, String>(); // Inserting the Elements using put() method // ------------ ht1.put(1, "Chris"); ht1.put(2, "Tony"); ht1.put(3, "Peter"); ht2.put(4, "Steven"); // Print mappings to the console (Output) System.out.println("Mappings of Hash Table 1 : " + h1); System.out.println("Mappings of Hash Table 2 : " + h2); } }
hashtable java
import java.util.*; class Hashtable1{ public static void main(String args[]){ Hashtable<Integer,String> hm=new Hashtable<Integer,String>(); hm.put(100,"Amit"); hm.put(102,"Ravi"); hm.put(101,"Vijay"); hm.put(103,"Rahul"); for(Map.Entry m:hm.entrySet()){ System.out.println(m.getKey()+" "+m.getValue()); } } }
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