CS 111 - Fall 2013
Exam 1 Solutions
- A
- C
- D
- D
- B
- E
- C
- B
- A
- B
- B
- C
- A
- B
- B
- C
- D
- C
- D
- B
-
public static void main (String[] args)
{
World w = new World ();
Turtle t = new Turtle (w);
int count;
// draw blue square
t.setPenColor(Color.BLUE);
count = 0;
while (count < 4)
{
t.forward (100);
t.turn (90);
count = count + 1;
}
// move turtle to the left.
t.penUp();
t.turn(-90);
t.forward(200);
t.turn(90);
t.penDown();
// draw red square
t.setPenColor(Color.RED);
count = 0;
while (count < 4)
{
t.forward (100);
t.turn (90);
count = count + 1;
}
w.show();
}
-
public static void drawNonagon (Turtle t, int len, Color c)
{
Color origColor = t.getPenColor();
t.setPenColor (c);
int count;
count = 0;
while (count < 9)
{
t.forward (len);
t.turn (360/9); // turn 40 degrees (360/numSides)
count = count + 1;
}
t.setPenColor (origColor);
}
-- Main.troy - 2013-10-15
Topic revision: r1 - 2013-10-15 - 14:25:02 - Main.troy