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Exercise18.java
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82 lines (65 loc) · 1.38 KB
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interface Cycle{
void ride();
}
interface CycleFactory{
Cycle getCycle();
}
class Unicycle implements Cycle{
@Override
public void ride(){
System.out.println("unicycle ride");
}
public String toString(){
String d = "unicycle";
return d;
}
}
class UnicycleFactory implements CycleFactory{
@Override
public Cycle getCycle() {
return new Unicycle();
}
}
class Bicycle implements Cycle{
@Override
public void ride(){
System.out.println("bicycle ride");
}
public String toString(){
String d = "Bicycle";
return d;
}
}
class BicycleFactory implements CycleFactory{
@Override
public Cycle getCycle() {
return new Bicycle();
}
}
class Tricycle implements Cycle{
@Override
public void ride(){
System.out.println("tricycle ride");
}
public String toString(){
String d = "Tricycle";
return d;
}
}
class TricycleFactory implements CycleFactory{
@Override
public Cycle getCycle() {
return new Tricycle();
}
}
public class Exercise18 {
public static void rideCycle(CycleFactory factory) {
Cycle c = factory.getCycle();
c.ride();
}
public static void main(String [] args) {
rideCycle(new UnicycleFactory());
rideCycle(new BicycleFactory());
rideCycle(new TricycleFactory());
}
}