(Solved Homework): Background: Within a healthy, balanced diet, a grownup needs 2,250 calories a day. You will write a program to t…

Background: Within a healthy, balanced diet, a grownup needs 2250 calories a day. You will write a program to track calorie intake of a person. Assignment: Calorie intake data from a person is provided in a text file named input.txt. There are arbitrary number of double values on each line, separated by spaces. The numbers on a day. The file includes data for exactly one week starting from Monday. That is, the file contains seven lines of text. The topmost line is for Monday and the li bottom is for Sunday. Your program should read the data from the file into a 2- dimensional array. The number of rows of the 2-dimensional array miust be equal to the number of valid lines in the file. The numbers in the i-th row of the 2-dimensional array must appear in the same sequence of numbers in the i-th row of the file. After reading the input file into the 2-dimensional array. report the following items. represent the number of calories consumed for meals and/or snacks ne at the - a list of total calories consumed each day a list of days when more calories than required are consumed average calories consumed during the i-th meal/snack (average over all seven days) You must write a method with exactly one 2-dimensional arra compute each of the listed items above and display the result. y parameter to Example input file: 800 1000 100 450 100 845 20 1200 200 1800 250 400 0 1500 800 120 600 500 700 1400 1700 100 675 You should print an error message and terminate if there are not exactly 7 lines Java

Background: Within a healthy, balanced diet, a grownup needs 2,250 calories a day. You will write a program to track calorie intake of a person. Assignment: Calorie intake data from a person is provided in a text file named input.txt. There are arbitrary number of double values on each line, separated by spaces. The numbers on a day. The file includes data for exactly one week starting from Monday. That is, the file contains seven lines of text. The topmost line is for Monday and the bottom is for Sunday. Your program should read the data from the file into a 2- dimensional array. The number of rows of the 2-dimensional array must be equal to the number of valid lines in the file. The numbers in the i-th row of the 2-dimensional array must appear in the same sequence of numbers in the i-th row of the file. After reading the input file into the 2-dimensional array. report the following items. a list of total calories consumed each day a list of days when more calories than required are consumed average calories consumed during the i-th meal/snack (average over all seven days) You must write a method with exactly one 2-dimensional array parameter to compute each of the listed items above and display the result. Example input file: 800 1000 100 450 100 845 20 1200 200 1800 250 400 0 1500 800 120 600 500 700 1400 1700 100 675 You should print an error message and terminate if there are not exactly 7 lines

Expert Answer

 

Calorie.java

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import java.io.*;

public class Calorie {

public static void main(String[] args) throws Exception {

double week[][] = new double[7][];

BufferedReader br = new BufferedReader( new FileReader(“input.txt”));

int nod=0; //counter store no of lines/day reads

while(br.ready())

{

String line = br.readLine();

String[] cals = line.split(“\s+”); // split each line by spaces

int m = cals.length; // find the no. of entries in each line

week[nod] = new double[m]; // reinitialize row/day of week

int j =0; // j to maintain the calorie intake of that day

for(String x : cals)

{

week[nod][j] = Double.parseDouble(x) ;

j++;

}

nod++;

}

if(nod!=7)

{

System.out.println(“Input file should contain exactly 7 lines”);

}

// report total calorie for each day

double week_colorie[] = new double[7];

double total_caories =0.0;

System.out.println(” A list of total calories consumed”);

for(int i=0;i<nod;i++)

{

double day_calorie =0.0;

for(int j =0;j<week[i].length;j++)

{

day_calorie+=week[i][j];

}

week_colorie[i] = day_calorie;

total_caories +=day_calorie;

System.out.println(“Day “+(i+1)+”: “+day_calorie);

}

System.out.println(“List of day with more calories than 2250”);

for(int i=0;i<nod;i++)

{

if(week_colorie[i]>2250.0)

{

System.out.println(i+1);

}

}

System.out.println(“Average calories consumed : “+(total_caories/7));

br.close();

}

}

input.txt(keep this in same folder as Calorie.java)

800 1000 100
450 100 845 20 1200 200
1800 250 400
0 1500 800 120
600 500
700 1400 1700 100
675

OUTPUT

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