String str1 = "amazon";
String str2 = "azonam";
True or 1;

public static int rightRotate(String word1, String word2) {
    if(word1==null||word2==null||word1.length()==0||word2.length()==0||word1.length()!=word2.length())
      return -1;
    String s = word1+word1;
    return s.indexOf(word2)!=-1?1:-1;
}