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In this exercise you will write a program to compute the distance between any two geo locations. In this program you will ask the user for four numbers. USE JAVA starting latitude starting longitude ending latitude ending longitude Then, using the GeoLocation class and our earlier example as a reference, compute the distance in miles between the two locations. A sample program run should match exactly as below: Enter the latitude of the starting location: 48.8567 Enter the longitude of the starting location: 2.3508 Enter the latitude of the ending location: 51.5072 Enter the longitude of the ending location: 0.1275 The distance is 208.08639358288565 miles.

In this exercise you will write a program to compute the distance between any two geo locations. In this program you will ask the user for four numbers. USE JAVA starting latitude starting longitude ending latitude ending longitude Then, using the GeoLocation class and our earlier example as a reference, compute the distance in miles between the two locations. A sample program run should match exactly as below: Enter the latitude of the starting location: 48.8567 Enter the longitude of the starting location: 2.3508 Enter the latitude of the ending location: 51.5072 Enter the longitude of the ending location: 0.1275 The distance is 208.08639358288565 miles.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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In this exercise you will write a program to compute the distance between any two geo locations.

In this program you will ask the user for four numbers. USE JAVA

  1. starting latitude
  2. starting longitude
  3. ending latitude
  4. ending longitude

Then, using the GeoLocation class and our earlier example as a reference, compute the distance in miles between the two locations.

A sample program run should match exactly as below:

Enter the latitude of the starting location: 48.8567

Enter the longitude of the starting location: 2.3508

Enter the latitude of the ending location: 51.5072

Enter the longitude of the ending location: 0.1275

The distance is 208.08639358288565 miles.

4.3.8: How Far Away is ...? public class HowFarAway extends ConsoleProgram 2- { public void run() { // your code here. } 3 4 - 6 7 }
Transcribed Image Text:4.3.8: How Far Away is ...? public class HowFarAway extends ConsoleProgram 2- { public void run() { // your code here. } 3 4 - 6 7 }
4.3.8: How Far Away is ...? Save 1 - public class GeoLocation { // Earth radius in miles public static final double RADIUS = 3963.1676; private double latitude; private double longitude; /** * Constructs a geo location object with given latitude and longitude */ public GeoLocation(double theLatitude, double theLongitude) latitude = theLatitude; longitude = theLongitude; 2 4 5 7 8 9 - 10 11 12 public double getLatitude() { return latitude; } public double getLongitude() { return longitude; } // returns a string representation of this geo location public String tostring() { return "latitude: 13 - 14 15 16 17 18 19 20 - + latitude + ", longitude: + longitude; 21 } // returns the distance in miles between this geo location and the given // other geo location public double distanceFrom(GeoLocation other) { double lat1 = Math.toRadians(latitude); double long1 = Math.toRadians(longitude); double lat2 = Math.toRadians (other.latitude); double long2 = Math.toRadians(other.longitude); double theCos = Math.sin(lat1) Math.cos (lat1) * Math.cos(lat2) * Math.cos(long1 - long2); double arcLength = Math.acos(theCos); return arcLength * RADIUS; } 22 23 24 25 26 27 28 29 30 Math.sin(lat2) + 31 32 33 34 35 }
Transcribed Image Text:4.3.8: How Far Away is ...? Save 1 - public class GeoLocation { // Earth radius in miles public static final double RADIUS = 3963.1676; private double latitude; private double longitude; /** * Constructs a geo location object with given latitude and longitude */ public GeoLocation(double theLatitude, double theLongitude) latitude = theLatitude; longitude = theLongitude; 2 4 5 7 8 9 - 10 11 12 public double getLatitude() { return latitude; } public double getLongitude() { return longitude; } // returns a string representation of this geo location public String tostring() { return "latitude: 13 - 14 15 16 17 18 19 20 - + latitude + ", longitude: + longitude; 21 } // returns the distance in miles between this geo location and the given // other geo location public double distanceFrom(GeoLocation other) { double lat1 = Math.toRadians(latitude); double long1 = Math.toRadians(longitude); double lat2 = Math.toRadians (other.latitude); double long2 = Math.toRadians(other.longitude); double theCos = Math.sin(lat1) Math.cos (lat1) * Math.cos(lat2) * Math.cos(long1 - long2); double arcLength = Math.acos(theCos); return arcLength * RADIUS; } 22 23 24 25 26 27 28 29 30 Math.sin(lat2) + 31 32 33 34 35 }
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