To measure the performance of the insertion sort and binary search algorithm Program plan: In the file “ InsertionSorter.java”, import the package, and create a class “ InsertionSorter”, Declare an array. Define the constructor. Define the method “sort()” to sort the array managed by the insertion sorter. Define the method “search()” to perform binary search. In the file “ StopWatch.java ”, create a class “ StopWatch”, Declare private variable. Define the constructor to construct a stopwatch that is in the stopped state and has no time accumulated. Define the method “start()” to start the stopwatch, and time starts accumulating now. Define the method “stop()” to stop the stopwatch, and time stops accumulating and is added to the elapsed time. Define the method “getElapsedTime()” to return the total elapsed time. Define the method “reset()” to stop the watch and resets the elapsed time to 0. In the file “ InsertionSorterTimer.java”, import the packages, and create a class “InsertionSorterTimer”, Define the “main()” method, Create an object for “Scanner”. Read the array from the file. Read input file. Execute loop till there is a record. Declare the array. Create an object for “InsertionSorter”. Create an object for “StopWatch”. Call the method “start()” to start the timer. Call the method “sort()” to sort the array. Call the method “stop()” to stop. Print the elapsed time. Create new output file. Create a loop, Print the array elements to the output file. Close the output file.

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Chapter 14, Problem 15PE

Program Plan Intro

To measure the performance of the insertion sort and binary search algorithm

Program plan:

In the file “InsertionSorter.java”, import the package, and create a class “InsertionSorter”,

Declare an array.

Define the constructor.

Define the method “sort()” to sort the array managed by the insertion sorter.

Define the method “search()” to perform binary search.

In the file “StopWatch.java”, create a class “StopWatch”,

Declare private variable.

Define the constructor to construct a stopwatch that is in the stopped state and has no time accumulated.

Define the method “start()” to start the stopwatch, and time starts accumulating now.

Define the method “stop()” to stop the stopwatch, and time stops accumulating and is added to the elapsed time.

Define the method “getElapsedTime()” to return the total elapsed time.

Define the method “reset()” to stop the watch and resets the elapsed time to 0.

In the file “InsertionSorterTimer.java”, import the packages, and create a class “InsertionSorterTimer”,

Define the “main()” method,

Create an object for “Scanner”.

Read the array from the file.

Read input file.

Execute loop till there is a record.

Declare the array.

Create an object for “InsertionSorter”.

Create an object for “StopWatch”.

Call the method “start()” to start the timer.

Call the method “sort()” to sort the array.

Call the method “stop()” to stop.

Print the elapsed time.

Create new output file.

Create a loop,

Print the array elements to the output file.

Close the output file.

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