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Category > Computer Science Posted 09 Dec 2017 My Price 10.00

program to compile but It won't ask for user inpu

I get my program to compile but It won't ask the questions for user input. Any suggestions. I have attached the program files and home assignment.

/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package crimes;

/**
*
* @author karis
*/
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Scanner;

//Class.
public class TestCrimes
{

    //Method populationGrowth().
    public static void populationGrowth(ArrayList aList)
    {

        //Display message.
        System.out.println("The percentages in population growth for each consecutive year from 1994 - 2013");

        //Loop().
        for (int idx = 0; idx < aList.size(); idx++)
        {

            //Create instances for Crimes class.
            Crimes ob1 = (Crimes) aList.get(idx);
            Crimes ob2 = null;

            //Condition check.
            if (ob1.CrimeYear < 2013)
            {
                ob2 = (Crimes) aList.get(idx + 1);

                //Display message.
                System.out.println(" Duration : " + ob1.CrimeYear + "-" + ob2.CrimeYear + " --> " + (((ob2.USPopulation - ob1.USPopulation) / ob1.USPopulation) * 100) + "%");
            }
        }
    }

    //Method MotorVehicleTheft().
    public static void MotorVehicleTheft(ArrayList aList)
    {

        //Display message.
        System.out.println("The total percentage change in Motor Vehicle Theft between 1998 and 2012");

        //Loop().
        for (int idx = 0; idx < aList.size(); idx++)
        {

            //Create instances for Crimes class.
            Crimes ob1 = (Crimes) aList.get(idx);
            Crimes ob2 = null;

            //Condition check.
            if (ob1.CrimeYear > 1998 && ob1.CrimeYear < 2013)
            {
                ob2 = (Crimes) aList.get(idx + 1);

                //Display message.
                System.out.println(" Duration : " + ob1.CrimeYear + "-" + ob2.CrimeYear + " --> " + (((ob2.VehicleTheft - ob1.VehicleTheft) / ob1.VehicleTheft) * 100) + "%");
            }
        }
    }

    //Method MurderRateTheHighest().
    public static void MurderRateTheHighest(ArrayList aList)
    {

        //Declare the needed variables.
        double murderRateMax = Double.MIN_VALUE;
        int crimeYear = 0;

        //Loop().
        for (int idx = 0; idx < aList.size(); idx++)
        {

            //Create instance for Crimes class.
            Crimes ob1 = (Crimes) aList.get(idx);

            //Condition check.
            if (murderRateMax < ob1.MurderCrimeRate)
            {
                murderRateMax = ob1.MurderCrimeRate;
                crimeYear = (int) ob1.CrimeYear;
            }
        }

        //Display message.
        System.out.println("Murder rate the highest : ---> " + crimeYear);
    }

    //Method MurderRateTheLowest().
    public static void MurderRateTheLowest(ArrayList aList)
    {

        //Declare the needed variables.
        double minMurderrate = Double.MAX_VALUE;
        int crimeYear = 0;

        //Loop().
        for (int idx = 0; idx < aList.size(); idx++)
        {

            //Create instance for Crimes class.
            Crimes ob1 = (Crimes) aList.get(idx);

            //Condition check.
            if (minMurderrate > ob1.MurderCrimeRate)
            {
                minMurderrate = ob1.MurderCrimeRate;
                crimeYear = (int) ob1.CrimeYear;
            }
        }

        //Display message.
        System.out.println("Murder rate the LOWEST : ---> " + crimeYear);
    }

    //Method RobberyRateHighest().
    public static void RobberyRateHighest(ArrayList aList)
    {

        //Declare the needed variables.
        double robberyRateMax = Double.MIN_VALUE;
        int crimeYear = 0;

        //Loop().
        for (int idx = 0; idx < aList.size(); idx++)
        {

            //Create instance for Crimes class.
            Crimes ob1 = (Crimes) aList.get(idx);

            //Condition check.
            if (robberyRateMax < ob1.RobberyCrimeRate)
            {
                robberyRateMax = ob1.RobberyCrimeRate;
                crimeYear = (int) ob1.CrimeYear;
            }
        }

        //Display message.
        System.out.println("RobberyCrimeRate the highest : ---> " + crimeYear);
    }

    //Method RobberyRateLowest().
    public static void RobberyRateLowest(ArrayList aList)
    {

        //Declare the needed variables.
        double robberyRateMin = Double.MAX_VALUE;
        int crimeYear = 0;

        //Loop().
        for (int idx = 0; idx < aList.size(); idx++)
        {

            //Create instance for Crimes class.
            Crimes ob1 = (Crimes) aList.get(idx);

            //Condition check.
            if (robberyRateMin > ob1.RobberyCrimeRate)
            {
                robberyRateMin = ob1.RobberyCrimeRate;
                crimeYear = (int) ob1.CrimeYear;
            }
        }

        //Display message.
        System.out.println("RobberyCrimeRate the LOWEST : ---> " + crimeYear);
    }

    //Method saveToCrimeObjin().
    public static Crimes saveToCrimeObjin(String csvLine)
    {

        //Declare the needed variable.
        String[] info = csvLine.split(",");

        //Create instance for Crimes class.
        Crimes ob1 = new Crimes(info);

        //Return.
        return ob1;
    }
    @SuppressWarnings({ "rawtypes", "unchecked" })

    //Main().
    public static void main(String[] args)
    {
        long startTime = System.currentTimeMillis();
        System.out.println("Welcome to US Crime Stats Application");
        String inputFile = args[0];

        //Try block.
        try
        {

            //Create instances.
            ArrayList aList = new ArrayList<>();
            FileInputStream fistream = new FileInputStream(inputFile);
            try (DataInputStream dataIn = new DataInputStream(fistream)) {
                BufferedReader buffRd = new BufferedReader(new InputStreamReader(dataIn));
                //Declare variable.
                String stringLine;
                //Loop().
                buffRd.readLine();
                while ((stringLine = buffRd.readLine()) != null) {
                    aList.add(saveToCrimeObjin(stringLine));
                }
                //Close the data input stream.
            }

            //Create instance.
            Scanner scObj = new Scanner(System.in);

            //Declare variable.
            char switchChar = '\0';

            //Loop().
            while (switchChar != 'Q')
            {

                //Function call().
                DisplayMenu.printMenu();
                switchChar = scObj.next().charAt(0);

                //Switch case.
                switch (switchChar)
                {

                    //Case one.
                    case '1':
                        populationGrowth(aList);
                    break;

                    //Case two.
                    case '2':
                        MurderRateTheHighest(aList);
                    break;

                    //Case three.
                    case '3':
                        MurderRateTheLowest(aList);
                    break;

                    //Case four.
                    case '4':
                        RobberyRateHighest(aList);
                    break;

                    //Case five.
                    case '5':
                        RobberyRateLowest(aList);
                    break;

                    //Case six.
                    case '6':
                        MotorVehicleTheft(aList);
                    break;

                    //Case seven.
                    case '7': break;

                    //Case eight.
                    case '8': break;

                    //Case quit.
                    case 'Q':

                        //Declare variable.
                        long endTime = System.currentTimeMillis();

                        //Display message.
                        System.out.println("Thank you for trying the US Crimes Statistics Program.");

                        //Display time elapsed.
                        System.out.println("Elapsed time : " + (endTime - startTime) / 100);
                    break;

                    //Default case.
                    default:

                        //Display message.
                        System.out.println("Not a valid selection");
                }
            }
        }

        //Catch block().
        catch (IOException e){}
    }
}/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package crimes;

/**
*
* @author karis
*/
//DisplayMenu.java
//Class name.
public class DisplayMenu
{

    //Main().
    public static void printMenu()
    {

        //Display menu().
        //Prompt the user.
        System.out.println("Enter the number of the question you want answered. Enter 'Q' to quit the program :");

        //One to display population growth.
        System.out.println("1. What were the percentages in population growth for each consecutive year from 1994 - 2013?");

        //Two to display highest murder rate.
        System.out.println("2. What year was the Murder rate the highest?");

        //Three to display lowest murder rate.
        System.out.println("3. What year was the Murder rate the lowest?");

        //Four to display highest robbery crime rate.
        System.out.println("4. What year was the Robbery Crime rate the highest?");

        //Five to display lowest robbery crime rate.
        System.out.println("5. What year was the Robbery Crime rate the lowest?");

        //Six to display Motor vehicle theft percentage change.
        System.out.println("6. What was the total percentage change in Motor Vehicle Theft between 1998 and 2012?");

        //Seven to display first unique.
        System.out.println("7. What was [enter your first unique statistic here]?");

        //Eight to display second unique.
        System.out.println("8. What was [enter your second unique statistic here]?");

        //Enter q to quit.
        System.out.println("Q. Quit the program");
    }
}/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package crimes;

/*
* File: Crimes.java
* Author: Karisa Frazier
* Date: May 5, 2017
* Purpose: This program will read a file containing data related to the US.
*Crime statistics from 1994-2013.
*/
//USCrimeApplication.java

public class Crimes
{

    //Declare variables.
    public double CrimeYear;
    public double USPopulation;
    public double ViolentCrime;
    public double ViolentCrimeRate;
    public double MurderCrime;
    public double MurderCrimeRate;
    public double RapeCrime;
    public double RapeCrimeRate;
    public double RobberyCrime;
    public double RobberyCrimeRate;
    public double AssaultCrime;
    public double AssaultCrimeRate;
    public double PropertyCrime;
    public double PropertyCrimeRate;
    public double BurglaryCrime;
    public double BurglaryCrimeRate;
    public double LarcenyTheft;
    public double LarcenyTheftRate;
    public double VehicleTheft;
    public double VehicleTheftRate;

    //Constructor.

    public Crimes( String[] info)
    {
        //Constructor stub.
        CrimeYear = Double.parseDouble(info[0]);
        USPopulation = Double.parseDouble(info[1]);
        ViolentCrime = Double.parseDouble(info[2]);
        ViolentCrimeRate = Double.parseDouble(info[3]);
        MurderCrime = Double.parseDouble(info[4]);
        MurderCrimeRate = Double.parseDouble(info[5]);
        RapeCrime = Double.parseDouble(info[6]);
        RapeCrimeRate = Double.parseDouble(info[7]);
        RobberyCrime = Double.parseDouble(info[8]);
        RobberyCrimeRate = Double.parseDouble(info[9]);
        AssaultCrime = Double.parseDouble(info[10]);
        AssaultCrimeRate = Double.parseDouble(info[11]);
        PropertyCrime = Double.parseDouble(info[12]);
        PropertyCrimeRate = Double.parseDouble(info[13]);
        BurglaryCrime = Double.parseDouble(info[14]);
        BurglaryCrimeRate = Double.parseDouble(info[15]);
        LarcenyTheft = Double.parseDouble(info[16]);
        LarcenyTheftRate = Double.parseDouble(info[17]);
        VehicleTheft = Double.parseDouble(info[18]);
        VehicleTheftRate = Double.parseDouble(info[19]);
    }
}

Attachments:

1512802820-FinalProject.pdf

Answers

SophiaPretty

(5)

Status NEW Posted 09 Dec 2017 06:12 AM My Price 10.00

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