Add three methods to SmartPhone:

$//$returns $805$ from $8059226966$

public String getAreaCode$()$

$//$returns $922$ from $8059226966$

public String getPrefix$()$

$//$returns $6966$ from $8059226966$

public String getLineNumber$()$

These methods will return parts of the phone number.

Hint: Review the substring method. Test Case $1$

Name: Allan Hancock College Phone: $8059226966$

Area code: $805$

Prefix: $922$

Line number: $6966$

$---$

Name: In$-$N$-$Out Burger Phone: $8007861000$

Area code: $800$

Prefix: $786$

Line number: $1000$

$---$

Name: Costco Wholesale Phone: $8059288459$

Area code: $805$

Prefix: $928$

Line number: $8459$

$---$public class Demo$4$

$\{$

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

$\{$

Phone p$1=$ new SmartPhone$("$Allan Hancock College", $8059226966$L$)$;

Phone p$2=$ new SmartPhone$("$In$-$N$-$Out Burger", $8007861000$L$)$;

Phone p$3=$ new SmartPhone$("$Costco Wholesale", $8059288459$L$)$;

System.out.println$($p$1)$;

test$($p$1)$;

System.out.println$($p$2)$;

test$($p$2)$;

System.out.println$($p$3)$;

test$($p$3)$;

$\}$

public static void test$($Phone p$)\{$

$//$this will confirm that SmartPhone is a subclass of phone

SmartPhone sp $=($SmartPhone$)$p;

System.out.println$("$Area code: $"+$ sp$.$getAreaCode$())$;

System.out.println$("$Prefix: $"+$ sp$.$getPrefix$())$;

System.out.println$("$Line number: $"+$ sp$.$getLineNumber$())$;

System.out.println$("---")$;

$\}\}$ public class Phone

$\{$

protected String name;

protected long number;

public Phone$($String name, long number$)\{$

this.name $=$ name;

this.number $=$ number;

$\}$

public String toString$()\{$

return "I am a phone!";

$\}$

$\}$