LECTURE
OCTOBER 15 2004

ASSIGNMENTS
Today 11:58 PM CodeLab #6
Mon 10/18 Assignment 2
Fri 10/23 CodeLab #7

FOR STATEMENT

Why?
- count-controlled loops

What?
- syntax
How?
- for ( <initialization>; <boolean expression>; <increment> )

      <statement>

What?
- control flow diagram
How?
  - initialization rectangle points into
  - condition diamond
    - on true, points into statement rectangle
      - points into increment rectangle
        - points into condition
    - on false, points to subsequent statement

What?
- *control variable*
How?
- can be declared in <initialization>
  - scope is limited to loop body
- usually appears in all three parts

What?
- multiple statements in <initialization>, <conditional expression>, and <increment>
How?
- comma separate statements
- strongly disrecommended

EXPRESSIVE POWER

What?
- all three loop types equally expressive
How?
- choose the one that seems the most natural and direct

NESTING

What?
- looping statements within looping statements
How?
- carefully

RECURSION

Why?
- alternative to repetition
What?
- *recursive method*
How?
- method that calls itself