Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    private static final double EARTH_RADIUS = 6378137.0;

    public static double getDistance(double longitude1, double latitude1, double longitude2, double latitude2) {

        double Lat1 = rad(latitude1);
        double Lat2 = rad(latitude2);
        double a = Lat1 - Lat2;
        double b = rad(longitude1) - rad(longitude2);
        double s = 2 * Math.asin(Math.sqrt(
                Math.pow(Math.sin(a / 2), 2) + Math.cos(Lat1) * Math.cos(Lat2) * Math.pow(Math.sin(b / 2), 2)));
        s = s * EARTH_RADIUS;
        s = Math.round(s * 10000) / 10000;
        return s;
    }

    private static double rad(double d) {
        return d * Math.PI / 180.0;
    }
}