blob: 62e364a676ecac4b5182d80dca4cc25332030e06 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
class Polygon {
private int[] sideLengths;
public Polygon(int sides, int... lengths) {
int index = 0;
sideLengths = new int[sides];
for (int length : lengths) {
sideLengths[index] = length;
index += 1;
}
}
public int side(int number) {
return sideLengths[number];
}
public int perimeter() {
int total = 0;
for (int index = 0; index < sideLengths.length; index += 1) {
total += side(index);
}
return total;
}
}
class Rectangle extends Polygon {
public Rectangle(int l, int w) {
super(4, l, w, l, w);
}
public int area() {
return this.side(0)*this.side(1);
}
}
class Square extends Rectangle {
public Square(int l) {
super( l, l);
}
// public int area() {
// return this.side(0)*this.side(1);
// }
}
class Shapes {
public static void main(String[] args) {
Rectangle wreck = new Rectangle(3, 5);
System.out.println(wreck.side(0)); // 3 1 point.
System.out.println(wreck.side(1)); // 5 1 point.
System.out.println(wreck.side(2)); // 3 1 point.
System.out.println(wreck.side(3)); // 5 1 point.
System.out.println(wreck.area()); // 15 1 point.
System.out.println(wreck.perimeter()); // 16 1 point.
Square nerd = new Square(7);
System.out.println(nerd.side(0)); // 7 1 point.
System.out.println(nerd.side(1)); // 7 1 point.
System.out.println(nerd.side(2)); // 7 1 point.
System.out.println(nerd.side(3)); // 7 1 point.
System.out.println(nerd.area()); // 49 1 point.
System.out.println(nerd.perimeter()); // 28 1 point.
}
}
|
