1. // Run program
2. void setup() {
3. size(200, 150);
4. background(200, 255, 220);
5.  
6. ArrayList<Integer> newList = RNG(40);
7.  
8. displayResults(sortHeights(newList), heightSum(newList), heightMean(newList));
9.  
10. save("activity22.png");
11.  
12. }
13.  
14. // Function 1: (Psuedo) Randomly generate a list of heights between 100 to 200
15. ArrayList<Integer> RNG(int number){  
16.   ArrayList<Integer> heightList = new ArrayList<Integer>();
17.     for(int i = 0; i < number; i++){
18.       heightList.add((int)round(random(100, 200)));
19.     }
20.    return heightList;
21. }
22.  
23. // Function 2: Sort the list into 3 categories (static list.)
24. int[] sortHeights(ArrayList<Integer> heightList){
25.   int[] heightCategory = new int[3];  
26.   for(int i = 0; i < heightList.size(); i++){
27.     if(heightList.get(i) < 134){
28.       heightCategory[0]++;
29.     } else if(heightList.get(i) < 167){
30.       heightCategory[1]++;
31.     } else {
32.       heightCategory[2]++;
33.     }
34.   }
35.   return heightCategory;
36. }
37.  
38. // Function 3: Calculate the sum of all heights
39. int heightSum(ArrayList<Integer> newList){
40.   int sum = 0;
41.   for(int i = 0; i < newList.size(); i++){    
42.     sum = sum + newList.get(i);
43.   }
44.   return sum;
45. }
46.  
47. // Function 4: Calculate the mean of all heights
48. float heightMean(ArrayList<Integer> newList){
49.   float mean = 0;
50.   for(int i = 0; i < newList.size(); i++){
51.     mean = mean + newList.get(i) / newList.size();
52.   }
53.   return mean;
54. }
55.  
56.  
57. // Function 5: Display results on the canvas.
58. void displayResults(int[] sortHeights, int sum, float mean){
59.   fill(0);
60.   textSize(14);
61.   text("Height 100-133:     " + sortHeights[0], 10, 20);
62.   text("Height 133-166:     " + sortHeights[1], 10, 40);
63.   text("Height 166-200:     " + sortHeights[2], 10, 60);
64.   line(10, 70, 175, 70);
65.   text("Sum of all heights: " + sum, 10, 90);
66.   text("Mean height:        " + mean, 10, 110);
67. }