Announcements

1
Announcements Review

• Last Time
• Compilation
• Scaffolding
• print()
• displays a value
• println()
• displays a value and moves cursor to the next
  line

• Announcements
• Examples posted after lecture on schedule
• Discussion Section exercises on line before 9am
  Tuesdays
• Lab 2 Due Thursday 10pm

2
Today

• More on Beauty
• Analogy Formatting Paragraphs
• Sequencing
• Analogy a well constructed essay
• Note on punctuation end your statements
• Repetition (i for iteration)
• for (int i 0 i
• // your code here

3
Beauty

• / Kathryn S McKinley
• September 2005
• file Song.java - a few lines from a good
  song
• Song All These Things That Ive Done
• Band The Killers, Album Hot Fuss
• /
• public class Song
• public static void main (String args)
• System.out.println(You are going to bring
  yourself down)
• System.out.println(Ive got soul, but
  Im not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Yah yah, you got to
  help me out.)

4
Im Ugly

• / Kathryn S McKinley
• September 2005
• file Song.java - a few lines from a good
  song
• Song All These Things That Ive Done
• Band The Killers, Album Hot Fuss
• /
• public class Song
• public static void main (String args)
• System.out.println(You are going to bring
  yourself down)
• System.out.println(Ive got soul, but
  Im not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Yah yah, you
  got to help me out.)

5
Paragraphs

• // song lines
• System.out.println(You are going to bring
  yourself down)
• System.out.println(Ive got soul, but Im not
  a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Yah yah, you got to
  help me out.)

6
Paragraphs

• // verse
• System.out.println(You are going to bring
  yourself down)
• //chorus
• System.out.println(Ive got soul, but Im not
  a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• //verse
• System.out.println(Yah yah, you got to
  help me out.)

7
Can we do better?

• // verse
• System.out.println(You are going to bring
  yourself down.)
• //chorus
• System.out.println(Ive got soul, but Im not
  a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• System.out.println(Ive got soul, but Im
  not a soldier. )
• //verse
• System.out.println(Yah yah, you got to
  help me out.)

8
Yes!

• // verse
• System.out.println(You are going to bring
  yourself down.)
• //chorus
• for (int i 0 i
• System.out.println(Ive got soul, but Im
  not a soldier. )
• //verse
• System.out.println(Yah yah, you got to help
  me out.)

9
For Definite Loop

• Three parts
• for (i 0 i
• // loop body
• Initialization
• Test
• Increment

10
For Definite Loop

• Three parts
• for (int i 0 i
• // loop body in here
• Initialization - int i 0
• one time only
• Test - if i
• every time
• Increment - i add 1 to the value of I
• every time

11
BlueJ Examples

12
Questions?