85 lines
1.8 KiB
Java
85 lines
1.8 KiB
Java
// enums/CarWash.java
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// (c)2017 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import java.util.*;
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public class CarWash {
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public enum Cycle {
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UNDERBODY {
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@Override
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void action() {
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System.out.println("Spraying the underbody");
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}
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},
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WHEELWASH {
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@Override
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void action() {
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System.out.println("Washing the wheels");
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}
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},
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PREWASH {
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@Override
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void action() {
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System.out.println("Loosening the dirt");
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}
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},
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BASIC {
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@Override
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void action() {
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System.out.println("The basic wash");
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}
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},
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HOTWAX {
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@Override
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void action() {
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System.out.println("Applying hot wax");
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}
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},
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RINSE {
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@Override
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void action() {
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System.out.println("Rinsing");
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}
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},
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BLOWDRY {
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@Override
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void action() {
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System.out.println("Blowing dry");
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}
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};
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abstract void action();
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}
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EnumSet<Cycle> cycles =
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EnumSet.of(Cycle.BASIC, Cycle.RINSE);
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public void add(Cycle cycle) { cycles.add(cycle); }
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public void washCar() {
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for(Cycle c : cycles)
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c.action();
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}
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@Override
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public String toString() { return cycles.toString(); }
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public static void main(String[] args) {
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CarWash wash = new CarWash();
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System.out.println(wash);
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wash.washCar();
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// Order of addition is unimportant:
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wash.add(Cycle.BLOWDRY);
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wash.add(Cycle.BLOWDRY); // Duplicates ignored
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wash.add(Cycle.RINSE);
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wash.add(Cycle.HOTWAX);
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System.out.println(wash);
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wash.washCar();
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}
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}
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/* Output:
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[BASIC, RINSE]
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The basic wash
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Rinsing
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[BASIC, HOTWAX, RINSE, BLOWDRY]
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The basic wash
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Applying hot wax
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Rinsing
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Blowing dry
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*/
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