题解 | #旋转字符串#

import java.util.*;


public class Solution {
    /**
     * 旋转字符串
     * @param A string字符串 
     * @param B string字符串 
     * @return bool布尔型
     */
    public boolean solve (String A, String B) {
        // write code here
        return (A+A).contains(B) && (A.length()==B.length());
    }
}