java - Not printing occurrences of each keys correctly with the HashMap -


i trying print how many times particular key has occurred in array , seems it's printing 1 of values. please tell me logical error having in code below:

import java.util.hashmap; import java.util.map;  public class mostoccuranceofnumber {      public static void main(string[] args) {           int[] n = {1,2,3,4,5,6,7,7,7,7};          map<integer, integer> map = new hashmap<integer,integer>();          // create hash map          for(int = 0 ; < n.length ; i++){               if(map.containskey(n)){                  map.put(n[i], map.get(n[i]) +1);              }             else{                  map.put(n[i], 1);             }              for(map.entry<integer, integer> m : map.entryset()){                  system.out.println("key "+m.getkey()+"occured"+m.getvalue()+"times");              }           }      }  }

try this:

import java.util.hashmap; import java.util.map;  public class mostoccuranceofnumber {  public static void main(string[] args) {       int[] n = {1,2,3,4,5,6,7,7,7,7};      map<integer, integer> map = new hashmap<integer,integer>();      // create hash map      for(int = 0 ; < n.length ; i++){           if(map.containskey(n[i])){//you made mistake here              map.put(n[i], map.get(n[i]) +1);          }         else{              map.put(n[i], 1);         }        }       } for(map.entry<integer, integer> m : map.entryset()){              system.out.println("key  "+m.getkey()+"occured "+m.getvalue()+" times ");//sorry forgot take outside    }  }

Comments

Post a Comment

Popular posts from this blog

html - Outlook 2010 Anchor (url/address/link) -

i'm trying link specific pdf page msoutlook'10 or msword'10, #page=... anchor particularly useful , works fine elsewhere. unfortunately when click [ctr-k] in outlook or winword, links re-formatted assuming unc path. pdf file located on shared drive. using "file:" prefix links open pdf in adobe reader (outside of browser), , "http:" open inside browser. issue seem need open in browser "file:" prefix in order anchor work. know anchors work inside browser. outlook uses windows/explorer default program (based on file extension) seems open in adobe reader neglecting anchor. is aware of solution, link specific page or bookmark of shared-pdf ms outlook and/or winword link? common references: mailermailer.com/...anchor-tags-html-emails campaignmonitor.com/...anchor-links-in-email-newsletters/ stackoverflow.com/...anchor-in-pdf-document
Read more

javascript - Why does running this loop 9 times take 100x longer than running it 8 times? -

consider code: test = function() { } t = new test(); (var = 0; < 8; i++) { result = t instanceof test; } if change number of iterations 8 9 , loop take 100 times longer complete in latest version of firefox (41.0.1). tested on 2 different pcs , magic limit 8. here jsperf test used: http://jsperf.com/instanceof-8-times-vs-9-times does have idea why might happen? seems specific instanceof . not happen if else object, example check property. note: filed bugzilla bug this. jan de mooij mozilla team has posted details in bugzilla thread . here's simplistic interpretation of highly technical answers: in i < 8 case, firefox smart enough hoist result = t instanceof test; statement out of loop (according tests, doesn't seem omit altogether). in i < 9 case, apparently doesn't optimization . why? reason not clear, related fact 9 iterations threshold above function considered "hot" enough run through jit compiler. i < 8 cas...
Read more

Getting gateway time-out Rails app with Nginx + Puma running on Digital Ocean -

following this guide setup app on digital ocean droplet, not working. site not loading , it's throwing: "gateway time-out". the puma server works, since ps aux | grep puma prints: root 15878 0.0 0.4 376832 2168 ? sl 12:50 0:00 puma 2.13.4 (unix:///var/www/myapp/shared/tmp/sockets/myapp-puma.sock) [20150930164940] root 15881 0.0 0.7 903676 3692 ? sl 12:50 0:06 puma: cluster worker 0: 15878 [20150930164940] root 24654 0.0 0.1 11748 916 pts/2 s+ 18:00 0:00 grep --color=auto puma my nginx config: user root; worker_processes 1; events { worker_connections 1024; } http { upstream puma { server unix:///var/www/myapp/shared/tmp/sockets/myapp-puma.sock; } server { listen 80; server_name myapp.com; root /var/www/myapp/current/public; access_log /var/www/myapp/current/log/access.log; error_log /...
Read more