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Carwash.java
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48 lines (47 loc) · 1.47 KB
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import java.util.EnumSet;
public class Carwash {
public enum Cycle {
UNDERBODY {
void action() { System.out.print("Spraying the underbody"); }
},
WHEELWASH {
void action() { System.out.print("Washing the wheels"); }
},
PREWASH {
void action() { System.out.print("Loosening the dirt"); }
},
BASIC {
void action() { System.out.print("The basic wash"); }
},
HOTWAX {
void action() { System.out.print("Applying hot wax"); }
},
RINSE {
void action() { System.out.print("Rinsing"); }
},
BLOWDRY {
void action() { System.out.print("Blowing dry"); }
};
abstract void action();
}
EnumSet<Cycle> cycles =
EnumSet.of(Cycle.BASIC, Cycle.RINSE);
public void add(Cycle cycle) { cycles.add(cycle); }
public void washCar() {
for(Cycle c : cycles)
c.action();
}
public String toString() { return cycles.toString(); }
public static void main(String[] args) {
Carwash wash = new Carwash();
System.out.print(wash);
wash.washCar();
// Order of addition is unimportant:
wash.add(Cycle.BLOWDRY);
wash.add(Cycle.BLOWDRY); // Duplicates ignored
wash.add(Cycle.RINSE);
wash.add(Cycle.HOTWAX);
System.out.print(wash);
wash.washCar();
}
}