Shifting Compartments - JAVA

// Author : Saurav Kalsoor
// Shifting Compartments - JAVA


import java.util.*;

public class Test {

    static Scanner sc = new Scanner(System.in);
    public static void main(String[] args) {
        int n = sc.nextInt();
        int q = sc.nextInt();

        String str = sc.next();

        ArrayList<Integer> l = new ArrayList<>();
        ArrayList<Integer> r = new ArrayList<>();
        ArrayList<Integer> k = new ArrayList<>();

        for(int i=0; i < q ;i++){
            l.add(sc.nextInt());
            r.add(sc.nextInt());
            k.add(sc.nextInt());
        }

        System.out.println(shiftingCompartments(n, q, str, l, r, k));
    }

    public static String shiftingCompartments(int n, int q, String s, ArrayList<Integer> l, ArrayList<Integer> r, ArrayList<Integer> k){
        char[] str = s.toCharArray();

        for(int i=0; i < q; i++){
            cycle(str, l.get(i), r.get(i), k.get(i));
        }

        return String.valueOf(str);
    }

    public static void myReverse(char[] str, int i, int j){
        while(i < j){
            char temp = str[i];
            str[i] = str[j];
            str[j] = temp;
            i++;
            j--;
        }
    }

    public static void cycle(char[] str, int l, int r, int k){
        int n = r-l+1;
        k = k%n;
        myReverse(str, l, l+n-k-1);
        myReverse(str, l+n-k, r);
        myReverse(str, l, r);
    }
}