i dont know how to solve this question */ public class Solution { public static int min(int a, int b, int c, int d) { int min; if (a <= b, a<= c, a<= d) min = a; else if (b <= a, b<= c, b<= d) min = b; else (c <= a, c<= b, c<= d) min = c; if else min = d; System.out.println(min); } public static int min(int a, int b) { int min; if (a <= b) min = a; else min = b; System.out.println(min2); } public static void main(String[] args) throws Exception { System.out.println(min(-20, -10)); System.out.println(min(-20, -10, -30, -40)); System.out.println(min(-20, -10, -30, 40)); System.out.println(min(-40, -10, -30, 40)); } }