Practice Together

Refreshers from last assignment

• Let's take a look at array-list.rb and linked-list.rb. Note that I've included her my solutions and I've also moved the testing stuff out into test-array-list.rb and test-linked-list.rb
• Let's talk about how delete works in linked-list.rb
• Let's look at the efficiency of the methods we wrote in linked-list.rb, particularly size

New

• Look at lotto.rb and talk about interfaces vs implementations

Assignment

• Modify lotto.rb so that ticket numbers are displayed in ascending order. Do this by adding @ticket.sort to the display_ticket method and add this functionality to both array-list.rb and linked-list.rb
  • Add a method sort to array-list.rb
  • Add a method sort to linked-list.rb
• Write a method reverse for both array-list.rb and linked-list.rb