Problem Solving

Warmup

• If I asked you to create a program that printed out the lyrics to 99 Bottles of Beer on the Wall, what would be your first step?
• If you were going to create a Bottles class, what methods might it have?

Incremental vs. Iterative

• Incremental Solutions: Everything works at once.
• Iterative Solutions: Something works from the beginning.

Night Writer

• What would an incremental solution look like?
• What would an iterative solution look like?

Iterative Process

1. Identify the big picture goal
2. Identify the interface
3. Identify a small picture goal
4. Plan to solve that small goal
5. Write a small goal test
6. Implement
7. Repeat

Exercise 1: Common Words

• Complete steps 1 - 3
• Share
• Complete steps 4 - 6
• Continue on your own

Problem Solving for Others

• Show them what you know.

Remaining Exercises