Chapter 10, Problem 30PE

Program Plan Intro

Implementation of “Person” class

Program plan:

• In a file “Person .java”,
  • Create a package.
  • Create a class “Person”,
    • Declare the variable.
    • Create Define the constructor to set name.
    • Define the method “getName()” to return the name.
    • Define the method “compareTo()”,
      • Create the object for “Person”.
      • Return the value.
• In a file “PersonTest.java”,
  • Create a package.
  • Import necessary package.
  • Create a class “PersonTest”,
    • Define the method “firstPerson()” of  “Person” type,
      • Set the first array object as the first.
      • Execute loop till array length,
        • Check whether the current array object is less than the first person object,
        • • If it is true, set the current object to the first.
            • Return the first person object.
    • Define the method “lastPerson()” of  “Person” type,
      • Set the first array object as the last.
      • Execute loop till array length,
        • Check whether the current array object is greater than the first person object,
        • • If it is true, set the current object to the last.
            • Return the last person object.
    • Define the method “main()”
      • Create array of “Person” object.
      • Create “Scanner” object.
      • Prompt the user to enter “10” names.
      • Execute loop for “10” times,
        • Fill the array.
        • • • Print the first person.
            • Print the last person.