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Many Global Positioning Satellite (GPS) units can record waypoints.

Many Global Positioning Satellite (GPS) units can record waypoints.

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
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How can I use ArrayList to calculate the distance between two points in the unit scale. Then I need to calculate the speed between the two points. 

3. Many Global Positioning Satellite (GPS) units can record waypoints. The waypoint marks the coordinates of a location on a map along with a timestamp. Consider a GPS unit that stores waypoints in terms of an (X,Y) coordinate on a map together with a timestamp t that records the number of seconds that have elapsed since the unit was turned on. Write a program that allows the user to enter as many way- points as desired, storing each waypoint in an ArrayList, where each waypoint is represented by a class that you design. Each waypoint represents a successive sample point during a hike along some route. The coordinates should be input as doubles, and the timestamp as an integer. Have your program compute the total distance traveled and the average speed in miles per hour. Use the map scaling factor of 1 = 0.1 miles. For example, if the only two waypoints are (X-1,Y=1,T=0) and (X=2,Y=1,T=3600), then the hiker traveled a distance of 0.1 miles in 3,600 sec- onds, or 0.1 miles hour. %3D per MUMathGlass, with a type parameter T where T is a numeric
Transcribed Image Text:3. Many Global Positioning Satellite (GPS) units can record waypoints. The waypoint marks the coordinates of a location on a map along with a timestamp. Consider a GPS unit that stores waypoints in terms of an (X,Y) coordinate on a map together with a timestamp t that records the number of seconds that have elapsed since the unit was turned on. Write a program that allows the user to enter as many way- points as desired, storing each waypoint in an ArrayList, where each waypoint is represented by a class that you design. Each waypoint represents a successive sample point during a hike along some route. The coordinates should be input as doubles, and the timestamp as an integer. Have your program compute the total distance traveled and the average speed in miles per hour. Use the map scaling factor of 1 = 0.1 miles. For example, if the only two waypoints are (X-1,Y=1,T=0) and (X=2,Y=1,T=3600), then the hiker traveled a distance of 0.1 miles in 3,600 sec- onds, or 0.1 miles hour. %3D per MUMathGlass, with a type parameter T where T is a numeric
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