diff --git a/programmers/귤 고르기/solution.java b/programmers/귤 고르기/solution.java
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+++ b/programmers/귤 고르기/solution.java	
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+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/138476
+
+import java.util.*;
+class Solution {
+    public int solution(int k, int[] tangerine) {
+        HashMap<Integer,Integer> hm = new HashMap<>();
+        int answer = 0;
+        for(int a : tangerine) hm.put(a,hm.getOrDefault(a,0)+1);
+        List<Map.Entry<Integer,Integer>> list = new ArrayList<>(hm.entrySet());
+        list.sort(((o1, o2) -> o2.getValue() - o1.getValue()));
+        for(Map.Entry<Integer,Integer> m : list){
+            answer++;
+            if(k>m.getValue()) k -= m.getValue();
+            else break;
+        }
+        return answer;
+    }
+}
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