Enumerating PIN codes Program plan: Filename: “PinWordEnumerator.java” This program file is used to define a class “PinWordEnumerator”. In the code, Import the required packages. Define a class “PinWordEnumerator”. Create a linked list “dictionary” to hold the words in “words.txt”. Define a method “main()”. Define an object “scan” of class “Scanner”. Prompt the user to enter the pin number. Scan for the pin value. Print new line. Print the statement. Call the method “enumerateWords()”. Define a wrapper method “enumerateWords()”. Call the method “enumerateWords()”. Define a wrapper method “enumerateWords()”. If the length of the pin is “0”, Print the “word”. If the length of the pin is not “0”, Create a string array “map”. Create a character variable “currentDigit” and set the value. Create a string variable “letters” and get the value from “map”. Define a looping variable “i”. Iterate a “for” loop, Create a string variable “wordCopy”. Call the method “enumerateWords()”. Define a wrapper method “uploadDictionary()”. Create a linked list “list”. Define the “try” block. Scan the file. Iterate a “while” loop to get the tokens of the file. Add the word to the linked list. Return the linked list. Define the “catch” block. Call “getLogger()”. Return “null”.

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Chapter 13, Problem 2PP

Program Plan Intro

Enumerating PIN codes

Program plan:

Filename: “PinWordEnumerator.java”

This program file is used to define a class “PinWordEnumerator”. In the code,

Import the required packages.

Define a class “PinWordEnumerator”.

Create a linked list “dictionary” to hold the words in “words.txt”.

Define a method “main()”.

Define an object “scan” of class “Scanner”.

Prompt the user to enter the pin number.

Scan for the pin value.

Print new line.

Print the statement.

Call the method “enumerateWords()”.

Define a wrapper method “enumerateWords()”.

Call the method “enumerateWords()”.

Define a wrapper method “enumerateWords()”.

If the length of the pin is “0”,

Print the “word”.

If the length of the pin is not “0”,

Create a string array “map”.

Create a character variable “currentDigit” and set the value.

Create a string variable “letters” and get the value from “map”.

Define a looping variable “i”.

Iterate a “for” loop,

Create a string variable “wordCopy”.

Call the method “enumerateWords()”.

Define a wrapper method “uploadDictionary()”.

Create a linked list “list”.

Define the “try” block.

Scan the file.

Iterate a “while” loop to get the tokens of the file.

Add the word to the linked list.

Return the linked list.

Define the “catch” block.

Call “getLogger()”.

Return “null”.

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