1. Code examples MakingCircles.java Circle.java Loopy.java
Loops
Code examples
MakingCircles.java
Circle.java
Loopy.java

2. UML Diagram bigSpot littleSpot radius: 6 radius: 2 Circle
Name of class
Data (attributes)
Methods of the class
radius: double
Circle(double radius)
getRadius(): double
getArea(): double
getCircumference(): double
bigSpot
littleSpot
radius: 6
radius: 2
Circle(double radius)
getRadius(): double
getArea(): double
getCircumference(): double
Circle(double radius)
getRadius(): double
getArea(): double
getCircumference(): double

3. Why loops? Where have we wanted to use a loop?
What kinds of problems lend themselves to iteration?
What do Java loop structures look like?

4. The while loop Flowchart
statement(s)
true
boolean
expression?
false
Another name is precondition loop – You evaluate the condition before
executing the body.

5. The do-while Loop Flowchart
statement(s)
true
boolean
expression?
false
Another name is post condition loop – You evaluate the condition after
executing the body.

6. The for Loop Flowchart statement(s) true boolean expression? false
update
Another name is counted loop – You typically will execute a for loop based
on some counter.