CPS 1 - Spring, 1998 - Ramm 1/26 #5

Chapt 1. An Introduction to Programming: Coding Decision Trees

Demonstrate Use of Buttons
- Triggers action method
Car Diagnosis Demo
CarDx.java, car.html
Things to Note
- return statements
If Statements
if (logical expression) { "true" actions
}
If - Else Statements
if (logical expression) { "true" actions } else { "false" actions
}
Logical Expression
- Simplest form if some kind of comparison
  - ==, !=
Assignment Statement

variable = expression;
- Note equal sign (=); only one
Method Invocation
- Arguments

Back to Car Diagnosis Problem: Decision Tree

Can't get car's engine to run; what is the problem?
was car just running and quit now?	yes	is gas gauge on empty?	yes	get gas
			no	call tow truck
	no	does engine crank?	yes	check gas
			no	check battery