"The main program will call a series of methods to process a set of data. One method will read data into an array. A second method will print the values stored in an array in a neat format. Another method will find the average of the values stored in an array. A fourth method will construct a new array from an existing array."

Check the explanation

Explanation:

import java.util.*;

import java.io.File;

public class Main

{

public static void main(String[] args) {

double[] second = new double[10];

double[] arr = new double[10];

arr = readData(10,arr);

System.out.println("here is the original array");

printArray(3,arr);

double avg = findAverage(5,arr);

System.out.println("The avearage value is" + avg);

System.out.println("here is the new array");

second = howFarAway(9,avg,arr,second);

printArray(3,narr);

avg = findAverage(5,narr);

System.out.println("The avearage value is" + avg);

}

public static double[] readData(int n,double[] numbers)

  {

      File file = new File("number.txt");

Scanner fileScanner = new Scanner(file);

      for(int i=0; i<n; i++)

          numbers[i]=fileScanner.nextDouble();

  return numbers;

  }

public static void printArray(int q, double[] numb)

  {

      for(int i=0;i<numb.length;i++)

      {

          System.out.print(numb[i]);

          System.out.print(" ");

          if((i+1)%q==0)

              System.out.println("");

      }

  }

public static double findAverage(int k ,double[] p)

  {

  double s=0;

  for(int i=0;i<k;i++)

  s = s+p[i];

  return s/k;

  }

public static double[] howFarAway(int m,double avg,double[] arr,double[] narr)

  {

      for(int i=0;i<arr.length;i++)

  narr[i]=arr[i]-avg;

      return narr;

  }

}

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