class Shape {
//属性....
public void draw() {
("画图形！");
}
}
class Rect extends Shape{
@Override
public void draw() {
("♦");
}
}
class Cycle extends Shape{
@Override
public void draw() {
("●");
}
}
class Flower extends Shape{
@Override
public void draw() {
("❀");
}
}
public class Mainn {
public static void main(String[] args) {
Rect rect = new Rect();
Cycle cycle = new Cycle();
Flower flower = new Flower();
String[] shapes = {"cycle", "rect", "cycle", "rect", "flower"};
for (String shape : shapes) {
if (("cycle")) {
();
} else if (("rect")) {
();
} else if (("flower")) {
();
}
}
}
}