Question

How to print Hashtable in Java

Answer 1

import java.util.*;  
 
public class MyClass {
    public static void main(String args[]) {
        Hashtable<Integer, String> ht = new Hashtable<Integer, String>();
      
        ht.put(4, "java");
        ht.put(6, "c");
        ht.put(1, "c#");
        ht.put(3, "python");
        ht.put(2, "c++");
        ht.put(5, "c++"); 
          
        for (Map.Entry m:ht.entrySet()) {  
            System.out.println(m.getKey() + " " + m.getValue());  
        }  
    }
}
 
 
 
/*
run:
 
6 c
5 c++
4 java
3 python
2 c++
1 c#
 
*/

 

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