Question
In: Computer Science
Create a class named “Car” which has the following fields. The fields correspond to the columns...
Create a class named “Car” which has the following fields. The fields correspond to the columns in the text file except the last one. i. Vehicle_Name : String ii. Engine_Number : String iii. Vehicle_Price : double iv. Profit : double v. Total_Price : double (Total_Price = Vehicle_Price + Vehicle_Price* Profit/100) 2. Write a Java program to read the content of the text file. Each row has the attributes of one Car Object (except Total_Price). 3. After reading the instances of a Car, “Total_Price” will be calculate, and then the object must be saved in an array of objects. 4. Write each object created to a seperate file, for example: "Honda.txt", “KIA.text” and “BMW.text” for the following sample input file. 5. Write a method named showCar(double eNumber),takes the Engine Number as parameter, and displays all the information of the particular car including Total Price. Sample Input File: Honda 33244231 80 5 KIA 5544546 60 4 BMW 9846343 110 3.5
Solutions
Expert Solution
import java.io.*;
class Car
{
String Vehicle_Name;
String Engine_Number;
double Vehicle_Price;
double Profit;
double Total_Price;
Car(String Vehicle_Name, String Engine_Number, double Vehicle_Price, double profit)
{
this.Vehicle_Name = Vehicle_Name;
this.Engine_Number = Engine_Number;
this.Vehicle_Price = Vehicle_Price;
this.Profit = Profit;
this.Total_Price = Vehicle_Price + Vehicle_Price* Profit/100;
}
}
class TestCar
{
public static void main(String args[]) throws Exception
{
File file = new File("/home/keerthi/Desktop/sample.txt");
BufferedReader br = new BufferedReader(new FileReader(file));
String st;
int i = 0;
Car cars[] = new Car[10];
File file1 = new File("/home/keerthi/Desktop/Honda.txt");
File file2 = new File("/home/keerthi/Desktop/KIA.txt");
File file3 = new File("/home/keerthi/Desktop/BMW.txt");
while ((st = br.readLine()) != null)
{
String[] arrOfStr = st.split(" ", 4);
double price = Double.valueOf(arrOfStr[2]);
double profit = Double.valueOf(arrOfStr[3]);
cars[i] = new Car(arrOfStr[0],arrOfStr[1],price,profit);
i++;
if(arrOfStr[0] == "Honda")
{
FileWriter fw = new FileWriter(file1);
fw.write(st);
}
else if(arrOfStr[0] == "KIA")
{
FileWriter fw=new FileWriter(file2);
fw.write(st);
}
else if(arrOfStr[0] == "BMW")
{
FileWriter fw=new FileWriter(file3);
fw.write(st);
}
}
carShow(5544546,cars);
}
public static void carShow(double Enumber,Car cars[])
{
for(int i = 0;i < cars.length;i++)
{
if(Enumber == Double.valueOf(cars[i].Engine_Number))
{
System.out.println(cars[i].Vehicle_Name);
System.out.println(cars[i].Engine_Number);
System.out.println(cars[i].Vehicle_Price);
System.out.println(cars[i].Profit);
System.out.println(cars[i].Total_Price);
}
}
}
}
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