Calculate easter

Easter.java

import java.time.LocalDate;

public class Easter{

     public static void main(String []args){
        System.out.println(HelloWorld.getEasterOfYear(2021));
     }
     
     private static LocalDate getEasterOfYear(int y) {
        int a = y % 19;
        int b = y / 100;
        int c = y % 100;
        int d = b / 4;
        int e = b % 4;
        int g = (8 * b + 13) / 25;
        int h = (19 * a + b - d - g + 15) % 30;
        int j = c / 4;
        int k = c % 4;
        int m = (a + 11 * h) / 319;
        int r = (2 * e + 2 * j - k - h + m + 32) % 7;
        int n = (h - m + r + 90) / 25;
        int p = (h - m + r + n + 19) % 32;
        return LocalDate.of(y, n, p);
    }
}