Chapter 13, Problem 26PE

Program Plan Intro

Puzzles

Program plan:

Filename: “PartialSolution.java”

This code snippet creates a class “PartialSolution”. In the code,

• Define a class “PartialSolution”.
  • Declare the class variables.
  • Define the constructor “PartialSolution”.
    • Set the class member values.
  • Define the parameterized constructor “PartialSolution”.
    • Set the class member values.
  • Define the method “examine()”.
    • Define a string array “values”.
    • If the condition is true,
      • Return the value “CONTINUE”.
        • Set the value of “v0”.
        • Set the value of “v1”.
        • Set the value of “v2”.
        • If the condition is true,
        • • Return the value of “ACCEPT”.
        • Else,
        • • Return the value of “ABANDON”.
  • Define the method “extend()”.
    • Define an array list “sol”.
    • Iterate a “for” loop,
      • If the condition is true,
        • Add values to “sols”.
        • • • Return the values of “sols”.
  • Define a method “toString()”.
    • Set the array “values[]”.
    • Return elements of “values[]”.

Filename: “Puzzle.java”

This code snippet creates a class “Puzzle”. In the code,

• Define a class “Puzzle”.
  • Define the class member “pieces[]”.
  • Define a constructor “Puzzle ()”.
    • Set the element of “pieces”.
    • Iterate a “for” loop,
      • Set the values of “pieces[]”.
  • Define the method “values()”.
    • Define a string array “result[]”.
    • Iterate a “for” loop,
      • Iterate inner “for” loop,
        • Get a character to variable “c”.
        • Define a Boolean variable “found”.
        • Iterate a “for” loop,
        • • If the value of “c” is equal to “letterForDigit[j]”,
            • Set “found” equal to true.
            • Set the value of “result[p]”.
        • If the condition is true,
        • • Set the value of “result[p]”.
    • Return the value of “result”.
  • Define the method “letters()”.
    • Define a string variable “result”.
    • Iterate a “for” loop,
      • Iterate inner “for” loop,
        • Get a character to variable “c”.
        • • If the condition is true,
            • Set the value of “result”.
        • If the condition is true,
        • • Set the value of “result[p]”.
    • Return the value of “result”.

Filename: “SummationPuzzle.java”

This code snippet creates a class “SummationPuzzle”. In the code,

• Import the required packages.
• Define a class “SummationPuzzle”.
  • Define the “main” method.
    • Prompt the user to enter the puzzle.
    • Define the object of class “Scanner”.
    • Scan for the input.
    • Print new line.
    • Call the method “solve()”.
  • Define the method “solve()”.
    • Define the variable “exam”.
    • If the value of “exam” equal to “ACCEPT”,
      • Print the value of “sol”.
        • Else if, the value of “exam” is “ABANDON”,
        • • Iterate a “for” loop,
            • Call the method “solve()”.