Question

How to use sort Hashtable in java

Answer 1

import java.util.*;
 
public class Example {
     
    public static void main(String[] args) {
        Hashtable<Integer, String> ht= new Hashtable<Integer, String>();
       
        ht.put(4, "java");
        ht.put(1, "c++");
        ht.put(5, "php");
        ht.put(3, "python");
        ht.put(2, "c#");
 
        Set set = ht.entrySet();
        Iterator it = set.iterator();
        while(it.hasNext()) {
            Map.Entry me = (Map.Entry)it.next();
            System.out.println(me.getKey() + ": " + me.getValue());
      }
    }
}
    
    
    
/*
run:
 
5: php
4: java
3: python
2: c#
1: c++
     
*/

 

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