I need help in JAVA. My code is outputing the correct answers BUT with incorrect amount of spacing. I need help in JAVA only PLEASE. Stick as close to my code as possible.$****$MY CODE$-$ PERSON$***$

import java.io$.*$;

import java.util.ArrayList;

import java.util.Collections;

class Person implements Comparable, Serializable $\{$

String name;

long account;

double balance;

boolean back;

public Person$($String name, long account, double balance, boolean back$)\{$

this.name $=$ name;

this.account $=$ account;

this.balance $=$ balance;

this.back $=$ back;

$\}$

public void save$()\{$

try $($ObjectOutputStream out $=$ new ObjectOutputStream$($new FileOutputStream$($account $+".$dat"$)))\{$

out.writeObject$($this$)$;

$//$System$.$out.printf$("\%$s$\%20$s$\%10\mathrm{.}2$f$\%10$s

$",$ name, account, balance, back $?$ "Yes" : $"$No$")$;

$\}$ catch $($IOException e$)\{$

System.err.println$("$Error saving object: $"+$ e$)$;

$\}$

$\}$

@Override

public String toString$()\{$

String s;

if $(!$back$)\{$

s $="$No$"$;

$\}$ else $\{$

s $=$ "Yes";

$\}$

return String.format$("\%-20$s$\%-20$d$\%14\mathrm{.}2$f$\%13$s

$",$ name, account, balance, s$)$;

$\}$

@Override

public int compareTo$($Person st$)\{$

return this.name.compareTo$($st$.$name$)$;

$\}$

public static void main$($String$[]$ args$)\{$

Person test$1=$ new Person$("$Eachelle Balderstone", $30526110612015$L$,9866\mathrm{.}30,$ false$)$;

test$1.$save$()$;

Person test$2=$ new Person$("\%12$fBrand Hallam", $3573877643495486$L$,9985\mathrm{.}21,$ false$)$;

test$2.$save$()$;

Person test$3=$ new Person$("$Tiphanie Oland", $5100172198301454$L$,9315\mathrm{.}15,$ true$)$;

test$3.$save$()$;

ArrayList list $=$ new ArrayList$<>()$;

list.add$($test$1)$;

list.add$($test$2)$;

list.add$($test$3)$;

Collections.sort$($list$)$;

System.out.printf$("$Enter file name$\%$n$\%$s$.$datENTER$\%$n$",$ test$1.$account$)$;

System.out.println$($test$1.$toString$())$;

System.out.printf$("$Enter file name$\%$n$\%$s$.$datENTER$\%$n$",$ test$2.$account$)$;

System.out.println$($test$2.$toString$())$;

System.out.printf$("$Enter file name$\%$n$\%$s$.$datENTER$\%$n$",$ test$3.$account$)$;

System.out.println$($test$3.$toString$())$;

$\}\}$

$****$GIVEN CODE CANNOT BE CHANGED$-$ DEMO$***$

import java.io$.*$;

import java.util.ArrayList;

import java.util.Collections;

import java.util.Scanner;

public class Demo $\{$

public static void main$($String$[]$ args$)$ throws IOException, ClassNotFoundException $\{$

Person test$1=$ new Person$("$Eachelle Balderstone",

$30526110612015$L$,$

$9866\mathrm{.}30,$

false$)$;

Person test$2=$ new Person$("$Brand Hallam",

$3573877643495486$L$,$

$9985\mathrm{.}21,$

false$)$;

Person test$3=$ new Person$("$Tiphanie Oland",

$5100172198301454$L$,$

$9315\mathrm{.}15,$

true$)$;

test$1.$save$()$;

test$2.$save$()$;

test$3.$save$()$;

Scanner keyboard $=$ new Scanner$($System$.$in$)$;

System.out.println$("$Enter file name"$)$;

String filename $=$ keyboard.nextLine$()$;

FileInputStream istream $=$ new FileInputStream$($filename$)$;

ObjectInputStream ois $=$ new ObjectInputStream$($istream$)$;

Person p $=($Person$)$ois$.$readObject$()$;

ois.close$()$;

System.out.println$($p$)$;

$\}$

$\}$