Question

write modules to sort by

2 field then 3 fields then 4 fields Use the data Structure to guide you.

//HW sort by 5 of these fields and ask the user which field to sort by !!!

// Use a custom comparator.

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.util.*;

class Emprec {

String name;

String address;

double hours;

double rate;

int dependents;

char gender;

boolean degree;

// This is the classes's constructor !!!!

Emprec(String name, String address, String hours,String dependents) {

try {

this.name = name;

this.address = address;

this.hours = Double.valueOf(hours).doubleValue();

this.dependents = Integer.parseInt(dependents);

} catch (NumberFormatException errmsg) {

System.out.println("Invalid format" + errmsg);

this.name = "";

this.hours = 0.0;

}// catch

}// Emprec constructor !!!!

double calc_fed_tax(double hours, double rate) {

double yearly_income;

yearly_income = hours * rate * 52;

if (yearly_income < 30000.00)

return (hours * rate * .28);

else if (yearly_income < 50000.00)

return (hours * rate * .32);

else

return (hours * rate * .38);

}// calc_fed_tax

double calc_state_tax(double hours, double rate) {

double state_tax;

state_tax = hours * rate * .0561;

return (state_tax);

}// calc_state_tax

public void setName(String name) {

this.name = name;

}

public String getName() {

return name;

}

public String getAddress() {

return address;

}

public double getHours() {

return hours;

}

public int getDependents() {

return dependents;

}

  

public double getRate(){

return rate;

}

  

public char getGender(){

return gender;

}

public String toString() {

return ("\n Name: " + name +

"\n Address: " + address +

"\n Hours: " + hours+

"\n Dependents " + dependents);

}// toString

}// Emprec

public class CompDemo3Sorts_Improved {

public static void

Answer 1

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.util.*;

class Emprec {

String name;

String address;

double hours;

double rate;

int dependents;

char gender;

boolean degree;

// This is the classes's constructor !!!!

Emprec(String name, String address, String hours,String dependents) {

try {

this.name = name;

this.address = address;

this.hours = Double.valueOf(hours).doubleValue();

this.dependents = Integer.parseInt(dependents);

} catch (NumberFormatException errmsg) {

System.out.println("Invalid format" + errmsg);

this.name = "";

this.hours = 0.0;

}// catch

}// Emprec constructor !!!!

double calc_fed_tax(double hours, double rate) {

double yearly_income;

yearly_income = hours * rate * 52;

if (yearly_income < 30000.00)

return (hours * rate * .28);

else if (yearly_income < 50000.00)

return (hours * rate * .32);

else

return (hours * rate * .38);

}// calc_fed_tax

double calc_state_tax(double hours, double rate) {

double state_tax;

state_tax = hours * rate * .0561;

return (state_tax);

}// calc_state_tax

public void setName(String name) {

this.name = name;

}

public String getName() {

return name;

}

public String getAddress() {

return address;

}

public double getHours() {

return hours;

}

public int getDependents() {

return dependents;

}

  

public double getRate(){

return rate;

}

  

public char getGender(){

return gender;

}

public String toString() {

return ("\n Name: " + name +

"\n Address: " + address +

"\n Hours: " + hours+

"\n Dependents " + dependents);

}// toString

}// Emprec

public class CompDemo3Sorts_Improved {

public static void main(String args[]);{

Scanner sc=new Scanner(System.in);

System.out.println("Enter the fields to sort by");

String  s=sc.nextInt();

if(s=="name"){

String str[]=name.split(" ");

List<String> slist= new ArrayList<String>();

str=Arrays.asList(str);

List<String> sortedList=slist.stream().sorted().collect().(collector().toList());

sortedList.forEach(System.out.println());

}

if(s=="address"){

String str1[]=address.split(" ");

List<String> slist1= new ArrayList<String>();

str1=Arrays.asList(str1);

List<String> sortedList=slist1.stream().sorted().collect().(collector().toList());

sortedList.forEach(System.out.println());

}

if(s=="hours"){

String str2[]=hours.split(" ");

List<String> slist2= new ArrayList<String>();

str2=Arrays.asList(str2);

List<String> sortedList=slist2.stream().sorted().collect().(collector().toList());

sortedList.forEach(System.out.println());

}

if(s=="dependent"){

String str[]3=dependent.split(" ");

List<String> slist3= new ArrayList<String>();

str3=Arrays.asList(str3);

List<String> sortedList=slist3.stream().sorted().collect().(collector().toList());

sortedList.forEach(System.out.println());

}

}}