Untitled

import java.lang.Math;

class DistanceCalculator {
    private double x1, y1, x2, y2;
    public DistanceCalculator(double x1, double y1, double x2, double y2) {
        this.x1 = x1;
        this.y1 = y1;
        this.x2 = x2;
        this.y2 = y2;
    }
    public double calculateDistance() {
        double distance = Math.sqrt(Math.pow((x2 - x1), 2) + Math.pow((y2 - y1), 2));
        return distance;
    }

    public static void main(String[] args) {
        double x1 = 1.0, y1 = 2.0, x2 = 4.0, y2 = 5.0;
        DistanceCalculator distanceCalculator = new DistanceCalculator(x1, y1, x2, y2);
        double distance = distanceCalculator.calculateDistance();
        System.out.println("Distance between points: " + distance);
    }
}