Java Function Quiz! (in Off-topic)

import java.util.*;
public class functionquiz
{
    public functionquiz(){
        int a;
        int b;
        int c;
        
        a = 7;
        b = 4;
        c = 5;
        a+= -4;
        a = b + c;
        b = b * 3;
        c = b % a;
        a = (int)Math.pow(2,c);
        b = (int)Math.min(Math.max(b+2,c%a%1),Math.sqrt(a+1));
        c = a+b * (b+2 / b-2) -1;
        a = (int)Math.ceil(b/(c/2));
        
        System.out.println(a + " " + c + " " + b);
    }

    public static void main(String[] args){
        new functionquiz();
    }
}