문자열 내 마음대로 정렬하기 - level1

sey2 · Jan 24, 2023 · 8c901eb · 8c901eb
1 parent 96dd916
commit 8c901eb
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/programmers/MyStringSort.java b/programmers/MyStringSort.java
@@ -0,0 +1,16 @@
+import java.io.*;
+import java.util.ArrayList;
+import java.util.Collections;
+
+
+class Solution {
+    public String[] solution(String[] strings, int n) {
+        ArrayList<String> answer = new ArrayList<>();
+
+        for(var s : strings) answer.add(s);
+
+        Collections.sort(answer, (o1,o2)->{return o1.charAt(n) == o2.charAt(n) ? o1.compareTo(o2) :o1.charAt(n) - o2.charAt(n);});
+
+        return answer.toArray(new String[0]);
+    }
+}