the following code:
public class Drone {
    static int x;
    static int y;
    
    public Drone(int x, int y) {
        toString(x, y);
        System.out.println("X is "+x);
        System.out.println("Y is "+y);
        
    }
    public String toString(int x, int y) {
        System.out.println("X is "+x);
        System.out.println("Y is "+y);
        return "Drone 0 is at "+x+","+y;
    }
    
    public static void main(String[] args) {
        Drone d = new Drone(5, 3);      // create drone
        System.out.println(d.toString());   // print where is
        
    }
Makes the line System.out.println(d.toString()); seem to not print. As seen here:

 
     
    