순환 스트링 확인

Author: holmir97

RotateString.java

@@ -0,0 +1,32 @@
+public class RotateString {
+    public static void main(String[] args) {
+        System.out.println(rotateString("", ""));
+    }
+
+    //my solution
+    public static boolean rotateString(String A, String B) {
+        boolean flag = false;
+
+        if (A.length() != B.length())
+            return flag;
+        else if (A.length() == 0 && B.length() == 0)
+            return true;
+
+        for (int i = 1; i < A.length(); i++) {
+            if (A.contains(B.substring(0, i)) && A.contains(B.substring(i, B.length())))
+                flag = true;
+            else
+                continue;
+        }
+        return flag;
+    }
+}
+
+//  best solution
+/*
+class Solution {
+    public boolean rotateString(String A, String B) {
+        return A.length() == B.length() && (A + A).contains(B);
+    }
+}
+ */