uni

University stuff
git clone git://git.christosmarg.xyz/uni-assignments.git
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Occurences.java (772B)

      1 import java.util.ArrayList;
      2 import java.util.HashMap;
      3 import java.util.Map;
      4 
      5 public class Occurences {
      6         public static void main(String[] args) {
      7                 ArrayList<String> strs = new ArrayList<String>();
      8                 HashMap<String, Integer> occ = new HashMap<String, Integer>();
      9 
     10                 strs.add("foo");
     11                 strs.add("foo");
     12                 strs.add("foo");
     13                 strs.add("bar");
     14                 strs.add("baz");
     15                 strs.add("baz");
     16 
     17                 for (String s : strs)
     18                         occ.put(s, 1 + (occ.containsKey(s) ? occ.get(s) : 0));
     19                 for (Map.Entry<String, Integer> e : occ.entrySet())
     20                         System.out.println(e.getKey() + ": " + e.getValue());
     21         }
     22 }