Distance formula calculator.

Distance.java

import java.util.*;

public class Distance {

     public static void main(String[] args) {
        
        // Declare variables
        Scanner sc = new Scanner(System.in);
        int x1, x2, y1, y2;
        
        // Get input(s)
        x1 = sc.nextInt();
        y1 = sc.nextInt();
        
        x2 = sc.nextInt();
        y2 = sc.nextInt();
        
        // Call distance calculation method
        double distance = getDistance(x1, y1, x2, y2);
        System.out.println("Distance between (" + x1 + ", " + x2 + ") and (" + y1 + ", " + y2 + ") is: " + distance);
     }
     
     public static double getDistance(int x1, int y1, int x2, int y2)
     {
         return Math.ceil(Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2)));
     }
}