Companies often like to create word equivalents for their phone numbers, so customers can remember them more easily.

For example, $438-4357$ could translate to GET$-$HELP on a phone keypad.

This program will help a company determine what letters could be used with their phone numbers.

Start with the supplied code template, editing the top of program comment to include your FULL NAME.

Note that two constants have been declared within the template:

final int PHONE$\_$STRING$\_$LENGTH $=8$;

final int DASH$\_$INDEX $=3$;

You must use these constants in your code.

$(1)$

Extend the template code to read a $7-$digit phone number with a dash from the user, and display the String that was read.

Then use a String method to search the String and determine the which digits it contains

For each digit found, print a list of its possible letter values.

NOTE: You can search for each digit as a String or as a character, but NOT as an integer number $($e$.$g$."5"$ or $\text{'}5\text{'},$ but not $5)$

Support the following digits, searching for them in the order listed:

$2-$ ABC

$3-$ DEF

$4-$ GHI

$5-$ JKL

$6-$ MNO

$7-$ PQRS

$8-$ TUV

$9-$ WXYZ

Sample interleaved input$/$output:

Enter phone number $($###$-$####$)$:

$633-3366$

You entered: $633-3366$

Letters options for $3$ are DEF

Letters options for $6$ are MNO

$(2)$

Further extend the code to add error checking.

When a phone number contains the digit $0$ or the digit $1,$ then it cannot be translated to word equivalents,

because there are no letters that match $0$ or $1.$

Search for $0$ and $1$ before searching for digits $2$ through $9.$

When either $0$ or $1$ is found, display the error message shown below,

and do not translate any other digits.

Sample interleaved input$/$output:

Enter phone number $($###$-$####$)$:

$773-3220$

You entered: $773-3220$

There are no letter options for $0$ or $1$

$(3)$

Further extend the code to add more error checking.

Use String methods and the constants defined in the template to determine

whether the phone number entered was either too short or too long.

And when it is the correct length, determine whether there is not a dash in the correct location.

When necessary, display one of the error messages shown below, instead of any other output

$($i$.$e$.$ don't check the digits unless the length and dash are correct$).$

NOTE: Use efficient decision making code.

Sample interleaved input$/$output:

Enter phone number $($###$-$####$)$:

$222$

Invalid phone number: too short

Enter phone number $($###$-$####$)$:

$222-3333333$

Invalid phone number: too long

Enter phone number $($###$-$####$)$:

$222344-4$

Invalid phone number: dash missing or in wrong place