How to correctly implement recursion for quicksort in java?

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public class QuickSort {
    
    public void sort(int[] arr, int low, int high) {
        if (low < high) {
            int pivotIndex = partition(arr, low, high);
            sort(arr, low, pivotIndex - 1);
            sort(arr, pivotIndex + 1, high);
        }
    }
    
    private int partition(int[] arr, int low, int high) {
        int pivot = arr[high];
        int i = low - 1;
        
        for (int j = low; j < high; j++) {
            if (arr[j] < pivot) {
                i++;
                int temp = arr[i];
                arr[i] = arr[j];
                arr[j] = temp;
            }
        }
        
        int temp = arr[i + 1];
        arr[i + 1] = arr[high];
        arr[high] = temp;
        
        return i + 1;
    }
    
    public static void main(String[] args) {
        int[] arr = {29, 10, 14, 37, 13};
        QuickSort qs = new QuickSort();
        qs.sort(arr, 0, arr.length - 1);
        
        for (int num : arr) {
            System.out.print(num + " ");
        }
    }
}