06-retirement-calculator

Retirement Calculator

• Ruby
• Go

Problem Statement

Create a program that determines how many years you have left until retirement and the year you can retire. It should prompt for your current age and the age you want to retire and display the output as shown in the example that follows.

Example Output

What is your current age? 25
At what age would you like to retire? 65
You have 40 years left until you can retire.
It's 2015, so you can retire in 2055.

Constraints

• Be sure to convert the input to numerical data before doing any math.
• Don't hard-code the current year into your program. Get it from the system time via your programming language.

Analysis

Inputs:

• current age
• retirement age

Processes:

• calculate retirement year
• calculate years remaining

Outputs:

• years remaining
• retirement year

Test Plan

Input:

• current age: 25
• retirement age: 65

Expected result:

• years remaining: 40
• retirement year: 2055

Pseudocode

RetirementCalculator
  Prompt for currentAge with "What is your current age?"
  Prompt for retirementAge with "At what age would you like to retire?"

  yearsRemaining = retirementAge - currentAge
  retirementYear = currentYear + yearsRemaining

  Display "You have {yearsRemaining} years left until you can retire."
  Display "It's {currentYear}, so you can retire in {retirementYear}."
End