LocationSimulator.java - It is the actual class that will get all the locations between source and destination at every n meters.
DirectionsJSONParser.java - This class will parse the google direction api response and return the coordinates.
LatLng.java - It is used to represent the location( latitude and longitude).
Procedures to run the files: Create the package com.LocationSimulator and paste all the java files. Go to the main method in LocationSimulator.java file and give the source,destination latlng and constant interval distance in meters. Output will be printed in the console. Copy the output and paste it in the tool you shared. Tool link : https://mobisoftinfotech.com/tools/plot-multiple-points-on-map/