Building Java Programs: A Back To Basics Approach (5th Edition)
Building Java Programs: A Back To Basics Approach (5th Edition)
5th Edition
ISBN: 9780135471944
Author: Stuart Reges, Marty Stepp
Publisher: PEARSON
Question
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Chapter 14.3, Problem 23SCP
Program Plan Intro

Print longest string in the stack

Program plan:

  • Import necessary package.
  • Create a class “StackEx”,
    • Define the method “printLongest()” that accepts “Stack”,
      • Create new stack.
      • Assign the first string removed from the stack to the “longest” variable.
      • Insert the string into the new stack.
      • Execute till the old stack is empty,
        • Assign the next string removed from the stack.
        • Check whether the length of current string is greater than the previous string.
          • If it is true, assign the current string as longest.
        • Insert the current string into the new stack.
      • Execute till the new stack is empty,
        • Restore the old stack.
      • Print the longest string in the stack.
      • Print the stack of strings at the end.
    • Define the method “main()”,
      • Create object for “stack”.
      • Call the “push()” method of stack to add the strings “hello”, “hi”, “goodbye” and “howdy” into the “Stack” one by one.
      • Print the stack of strings at the start.
      • Call the method “printLongest()” with “Stack” as a parameter.

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