Chapter 11, Problem 5PC

Program Plan Intro

• Define a class named “Payroll”.
  • Declare the required variables.
  • Define a parameterize constructor to set “name” and “Id”.
  • Define a “setName()” method to set “name”.
  • Define a “setIdNum()” method to set “id”.
  • Define a “setPayRate()” method to check the rate and throw “InvalidHrlyRateExcep” exception.
  • Define a “setHrsWrked()” method to check the hours and throw “InvalidHrsExcep” exception.
  • Define a “getName()” method to return name.
  • Define a “getIdNum()” method to return Id number.
  • Define a “getPayRate()” method to return pay rate.
  • Define a “getHrsWrked()” method to return hours worked.
  • Define a “getGrossPay()” method to compute and return gross pay.
• Define a class named “InvalidNameExcep” that extends “Exception” class.
  • Define a constructor with no parameters.
    • Call “super()” method to print invalid name.
• Define a class named “InvalidHrlyRateExcep” that extends “Exception” class.
  • Define a constructor with no parameters.
    • Call “super()” method to print invalid hour pay rate message.
  • Define a constructor with one parameter.
    • Call “super()” method to print invalid hour pay rate.
• Define a class named “InvalidHrsExcep” that extends “Exception” class.
  • Define a constructor with no parameters.
    • Call “super()” method to print invalid number of hours message.
  • Define a constructor with one parameter.
    • Call “super()” method to print invalid number of hours.
• Define a class named “InvalidIDExcep” that extends “Exception” class.
  • Define a constructor with no parameters.
    • Call “super()” method to print invalid ID message.
  • Define a constructor with one parameter.
    • Call “super()” method to print invalid ID.
• Define a class named “PayrollCheck”.
  • Define a “main()” method to check payroll exception.
    • Create an object or reference variable for a “Payroll” class.
    • “try” block to call the “Payroll” constructor with empty string for name.
    • “catch” block to catch the exception and print the error message.
    • Same for the following “try…catch” block to check invalid Id, invalid hourly pay rate, invalid number of hours worked and print the corresponding error messages.