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Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Please help me I need as searching algorithm for the program below. User must be able to search for any names and the programs will display their information (full name, company they are the ceo, salary and tax owed. Java code is below import java.io.File; import java.io.FileNotFoundException; import java.io.FileWriter; import java.io.IOException; import java.util.ArrayList; import java.util.Scanner; public class Demo{ //Method to calculate the tax static public double calcTax(double salary , double taxRate){ double taxOwed = 0; //Calclate and return the tax taxOwed = (salary * taxRate) / 100; //return the value return taxOwed; } //Main method public static void main(String[] args) throws IOException{ //Create three array to add the data ArrayList salary = new ArrayList(); ArrayList name = new ArrayList(); ArrayList company_name = new ArrayList(); //to count the lines int lines = 1; try { //Open the file File myFile = new File("taxpayer.txt"); //to read the file Scanner fileReader = new Scanner(myFile); //Check if file has next line while (fileReader.hasNextLine()) { //get the line into the string data String data = fileReader.nextLine(); //Check the line number before adding that into the array if(lines % 3 == 1){ //FOr the lines 1 , 4 , 7 add them into the name array name.add(data); }else if(lines % 3 == 2 ){ //for line 2 , 5 , 8 add them into the company_name array company_name.add(data); }else{ //FOr lines 3, 6 , 9 add them into the salary array //First parse the value into double before adding double sal =Double.parseDouble(data); salary.add(sal); } //Increment the number of line lines++; } //Close the file fileReader.close(); //Check if any exceptions is there } catch (FileNotFoundException e) { System.out.println("File with given name not found"); e.printStackTrace(); } try (//Now we have to add the records into the new File //Create the my file writer class object to write into the file FileWriter myWriter = new FileWriter("taxInfo.txt",true)) { System.out.println("Records started in file ....."); //Iterate over the list to add the data into the file for (int i = 0 ; i < name.size() ; i++){ //Get the data to add into the file String nameP = name.get(i); String companyName = company_name.get(i); double salaryP = salary.get(i); double taxRate = 0 , taxOwed = 0; //Decide the tax rate if(salary.get(i)