CS 111 - Program Design I

Spring 2015

• Count: 104
• Max: 100 (x2)
• Min: 26
• Average: 76.73
• Median: 81
• St. Dev.: 15.3

• 100's: 2
• 90's: 19
• 80's: 33
• 70's: 23
• 60's: 11
• 50's: 9
• 40's: 5
• 30's: 1
• 20's: 1

1. A
2. D
3. C
4. A
5. D
6. A
7. D
8. B
9. B
10. C
11. B
12. C
13. D
14. B
15. D
16. B
17. A
18. D
19. C
20. E

Note: Wiki loses indentation

// Question 21
public static void main (String[] args)
{
System.out.println("Begin Java Exection");
System.out.println("");

Picture p = new Picture (500, 500);
Turtle t = new Turtle (p);

t.setPenColor (Color.RED);
int i = 0;
while ( i < 4 )
{
t.forward (100);
t.turn (90);
i = i + 1;
}

t.penUp();
t.forward (20);
t.turn (90);
t.forward (20);
t.turn (-90);
t.penDown();

t.setPenColor (Color.BLUE);

i = 0;
while ( i < 4 )
{
t.forward (60);
t.turn (90);
i = i + 1;
}

p.show();

System.out.println("");
System.out.println("End Java Exection");
}

// Question 22
public static void drawStar (Turtle t, int length, Color c)
{
Color original = t.getPenColor();
t.setPenColor (c);

int i = 0;
while ( i < 15 )
{
t.forward (length);
t.turn (720/15);
i = i + 1;
}

t.setPenColor (original);
}

• Exam1S15.java: File Containing Code for Exam 1: Q 21 & 22

-- Main.troy - 2015-03-09