Design and implement a program called RainfallV2 that reads a list of floating-point numbers from the standard input (console) representing daily rainfall amounts in millimeters as entered by a user. Ignore negative values, but include zero values. Produce the following statistics based on the non-negative values in the list up to end of file: • total number of (nonnegative) values read • average rainfall • cumulative rainfall • number of rainy days (defined as above the daily average) • number of dry days (defined as at most 5% of the daily average) Input items (whole and/or floating point numbers) can be spread over one or more lines. If there is at least one input item, the program prints the resulting statistics and exits. If there is no valid numerical input item, the program prints nothing and exits. Nonfunctional requirements • Performance: o Time: For each additional input item, the program should produce a small, finite number of steps. o Space: For each additional input item, the program should use at most a constant amount of space. Testability: Your program could support automatic unit testing of the core functionality, without the user entering any data or reading any data from an external file. Implement your solution to the recurring rainfall problem as a working Java program using JUnit for testing. • Define separate classes for main (i/o), core logic, and testing. • Define a class called Rainfallstats for representing the statistics given above as a single object. • In the core logic class, define a (static) method that takes a List (important: List , not just an ArrayList ) and returns a RainfallStats instance. • In main, read the data into a list, initialized as an empty ArrayList , invoke the method for generating the stats, and print the resulting stats.
Design and implement a program called RainfallV2 that reads a list of floating-point numbers from the standard input (console) representing daily rainfall amounts in millimeters as entered by a user. Ignore negative values, but include zero values. Produce the following statistics based on the non-negative values in the list up to end of file: • total number of (nonnegative) values read • average rainfall • cumulative rainfall • number of rainy days (defined as above the daily average) • number of dry days (defined as at most 5% of the daily average) Input items (whole and/or floating point numbers) can be spread over one or more lines. If there is at least one input item, the program prints the resulting statistics and exits. If there is no valid numerical input item, the program prints nothing and exits. Nonfunctional requirements • Performance: o Time: For each additional input item, the program should produce a small, finite number of steps. o Space: For each additional input item, the program should use at most a constant amount of space. Testability: Your program could support automatic unit testing of the core functionality, without the user entering any data or reading any data from an external file. Implement your solution to the recurring rainfall problem as a working Java program using JUnit for testing. • Define separate classes for main (i/o), core logic, and testing. • Define a class called Rainfallstats for representing the statistics given above as a single object. • In the core logic class, define a (static) method that takes a List (important: List , not just an ArrayList ) and returns a RainfallStats instance. • In main, read the data into a list, initialized as an empty ArrayList , invoke the method for generating the stats, and print the resulting stats.
Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:Design and implement a program called RainfallV2 that reads a list of floating-point numbers from the standard input
(console) representing daily rainfall amounts in millimeters as entered by a user. Ignore negative values, but include zero
values. Produce the following statistics based on the non-negative values in the list up to end of file:
• total number of (nonnegative) values read
• average rainfall
• cumulative rainfall
• number of rainy days (defined as above the daily average)
• number of dry days (defined as at most 5% of the daily average)
Input items (whole and/or floating point numbers) can be spread over one or more lines. If there is at least one input item, the
program prints the resulting statistics and exits. If there is no valid numerical input item, the program prints nothing and exits.
Nonfunctional requirements
• Performance:
o Time: For each additional input item, the program should produce a small, finite number of steps.
o Space: For each additional input item, the program should use at most a constant amount of space.
Testability: Your program could support automatic unit testing of the core functionality, without the user entering any data
or reading any data from an external file.
Implement your solution to the recurring rainfall problem as a working Java program using JUnit for testing.
• Define separate classes for main (i/o), core logic, and testing.
• Define a class called Rainfallstats for representing the statistics given above as a single object.
• In the core logic class, define a (static) method that takes a List (important: List , not just an ArrayList ) and returns a
Rainfallstats instance.
• In main, read the data into a list, initialized as an empty ArrayList , invoke the method for generating the stats, and print
the resulting stats.
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