AP CS A
Unit 1 Lesson 2
What is Java?
Student Learning Objectives
By the end of this lesson, you should be able to:
•
Call
System class methods
to generate
output
to the console.
•
System.out.print
and
System.out.println
display information on the computer
monitor.
•
System.out.println moves the cursor to a new line
after the information has been
displayed, while
System.out.print does not
.
•
Create string literals.
•
A
string literal
is
enclosed
in
double quotes
.
CS Unplugged Drawing Activity
Instructions
COMPUTERS ARE REALLY, REALLY PICKY! (Dr. Beth Simon)
Step 1
• Work in pairs! Number yourselves 1 and 2.
Step 2
• The ones take out your notebooks, and a pencil.
Step 3
• Place your chairs back to back to each other.
Step 4
• The twos will get a sheet of paper; read the instructions.
Step 5
• The twos will give instructions to draw an image just describing shapes; the ones draw it to the
best of their ability.
Step 6
• The ones cannot ask any questions of the twos during the instructions; do your best!
Turn and Talk About this CS Unplugged Activity!
•
Look at the drawn image: was the result a snowperson?
•
How exact did the instructions need to be?
•
Did the order of the instructions matter?
•
What kinds of problems occur because of the vagueness of the English
Language?
You've reached the end of your free preview.
Want to read all 23 pages?
- Fall '20
- Regular expression, Bracket
