HashMap Key and Values





 This    java code   is  simple   explains  how   HashMap   store  the key and values.  how to
  to get  the   key   and  values of the HashMap.





import java.util.*;
public class Hashmapdetails {
public static void main(String args[]) {
Map   map =new HashMap();
      map.put("westbangal" , "kolkotta");
      map.put("bhihar", "patna");
      map.put("bhihar","patnaa");
      map.put("jharkhand", "Ranchi");
       
       
      Set   set=   map.entrySet();
       
        System.out.println(set);
        System.out.println(map.get("bhihar"));
        System.out.println(map.values()); 
        System.out.println(map.keySet());
               
       
}

}



you  can  see  duplicate  key   and   watch out  the output  of the  program  .


[westbangal=kolkotta, jharkhand=Ranchi, bhihar=patnaa]
patnaa
[kolkotta, Ranchi, patnaa]

[westbangal, jharkhand, bhihar]



 

HashMap Key and Values HashMap Key and Values Reviewed by Mukesh Jha on 2:55 AM Rating: 5

No comments:

Add your comment

All Right Reserved To Mukesh Jha.. Theme images by Jason Morrow. Powered by Blogger.