capture game

Author: g1patil

src/main/java/ood/design/CaptureGame.java

@@ -0,0 +1,54 @@
+package ood.design;
+
+import java.util.*;
+
+public class CaptureGame {
+
+    private Map<String,Integer> scoreMap ;
+    private Map<String,Integer> pointmap;
+    Map<Integer,List<String>> topScores;
+
+
+    public CaptureGame(){
+        pointmap = new HashMap<>();
+        pointmap.put("banana",3);
+        pointmap.put("apple",5);
+        pointmap.put("berry",7);
+        pointmap.put("tomato",1);
+
+        scoreMap = new HashMap<>();
+        topScores = new TreeMap<>(Comparator.reverseOrder());
+    }
+
+    public void capture(String player, String fruit){
+        int oldScore = scoreMap.getOrDefault(player,0);
+        int newScore = oldScore + pointmap.get(fruit);
+
+        if(topScores.containsKey(oldScore)){
+            topScores.get(oldScore).remove(player);
+            if(topScores.get(oldScore).isEmpty())
+                topScores.remove(oldScore);
+        }
+        topScores.putIfAbsent(newScore,new ArrayList<>());
+        topScores.get(newScore).add(player);
+
+        scoreMap.putIfAbsent(player,0);
+        scoreMap.put(player, newScore);
+    }
+
+    public List<String> getTopPlayer(){
+        int highest = topScores.keySet().stream().findFirst().get();
+        return topScores.get(highest);
+    }
+
+    public static void main(String[] args){
+        CaptureGame game = new CaptureGame();
+        game.capture("ravi","banana");
+        game.capture("ravi","apple");
+        game.capture("jivan","tomato");
+
+        System.out.println(
+                game.getTopPlayer()
+        );
+    }
+}