Answer:
import java.lang.*;
public class distance { public static double distance(double latitude1,
double latitude2, double longitude1,
double longitude2)
{
// Convert Latitude and Longitude to Radians
longitude1 = Math.toRadians(longitude1);
longitude2 = Math.toRadians(longitude2);
latitude1 = Math.toRadians(latitude1);
latitude2 = Math.toRadians(latitude2);
double d_longitude = longitude2 - longitude1;
double d_latitude = latitude2 - latitude1;
double a = Math.pow(Math.sin(d_latitude / 2), 2)
+ Math.cos(latitude1) * Math.cos(latitude2)
* Math.pow(Math.sin(d_longitude / 2),2);
double val = 2 * Math.asin(Math.sqrt(a));
// Radius of earth in kilometers is 6371
double earth_radius = 6371;
// Calculate and return the distance
return(val * earth_radius);
}
// Main Method
public static void main(String[] args)
{
double latitude1 = 67.32055555555556;
double latitude2 = 83.31861111111111;
double longitude1 = -1.7217899;
double longitude2 = -1.6567799;
System.out.println(distance(latitude1, latitude2,
longitude1, longitude2) + " K.M");
}
}
Explanation:
This program is implemented in Java programming language
The formula for the shortest distance between two points on the earth is:
Distance = 3963.0 * arccos[(sin(lat1) * sin(lat2)) + cos(lat1) * cos(lat2) * cos(long2 – long1)]
The latitude and longitude of the two points must be known
The latitude and longitude are converted into radians using built in methods in java.
Take value for the radius of the earth in Kilometers 6371;
Note that a seperate method has been created to calculate the distance
In the driver method (main), values for latitude and logitudes for both places have been hard-corded, then the method distance is called and passed those values
Note also that the distance has been calculated in Kilometers
