Rotate the String from position - Java

#1

public class reverseStringFromPosition {
    public static void main(String[] args) {
        String s="ramanrayat";
        String rorateFrom = "y";
        System.out.println(rorateFrom+s.split("y")[1]+s.split("y")[0]);
        }

    } 

#2

public class reverseStringFromPosition {

    public static void main(String[] args) {
        String s="ramanrayat";
        StringBuilder b= new StringBuilder(s);
        char[] cc;
        for(int i=0;i<s.length();i++){

            if(s.charAt(i)=='y'){
                System.out.println(b.subSequence(i,s.length())+b.substring(0,i));
            }
        }
    }
}