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Calculating time and speed in Java GUI

 
Greenhorn
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Ok here is my question. So i'm using Netbeans and have created this template for the program i want to create. Basically what I want to do is enter a time and date in 24hr format including seconds and the date of start and end time and have the program calculate the time difference between Tool launch and tool Receive that takes into factor the Launch and Receive Dates for a total of hh:mm:ss duration. I don't know how to combine both those factors output one number in a total number of hours Duration. I'm also having problems linking the ODO (odometer) which the formula would basically be time/ODO (or distance in feet) = x.x ft/sec format. Any clues or links that i should look into to help? Thanks a bunch.

 
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Hank Harrison wrote:Ok here is my question. So i'm using Netbeans and have created this template for the program i want to create. Basically what I want to do is enter a time and date in 24hr format including seconds and the date of start and end time and have the program calculate the time difference between Tool launch and tool Receive that takes into factor the Launch and Receive Dates for a total of hh:mm:ss duration. I don't know how to combine both those factors output one number in a total number of hours Duration. I'm also having problems linking the ODO (odometer) which the formula would basically be time/ODO (or distance in feet) = x.x ft/sec format. Any clues or links that i should look into to help? Thanks a bunch.



Stop the GUI coding and develop your program logic using classes that are independent of the way they receive input and provide output. Test those classes with a CLI (Command Line Interface), probably using Scanner and System.out. Once that's done, tying up the model to the GUI will be easy.

If you're using Java 8, there's a new Date/Time API which greatly simplifies the maths involved. (There's even a class named Duration)
 
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