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EnumObjectExample.java
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115 lines (90 loc) · 2.88 KB
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package example.EnumExample;
/**
* 把 enum 和 object class 結合的範例
* - 可利用 enum 來記錄 每個 class object 狀態，透過 enum 可以條列出選項選擇。
*/
public class EnumObjectExample {
public static void main(String[] args) {
Drone2 drone2 = new Drone2();
drone2.setDeviceName("George's drone");
drone2.setConnectStatus(DroneStatus.connectStatus.ON);
drone2.setTaskStatus(DroneStatus.taskStatus.OFF);
// drone2.setConnectStatus2(DroneStatus2.connectStatus.ON);
System.out.println(drone2);
System.out.println(drone2.getDeviceName());
System.out.println(drone2.getConnectStatus());
System.out.println(drone2.getTaskStatus());
// System.out.println(drone2.getConnectStatus2());
}
}
class Drone2 {
private String deviceName; // drone's name.
private String deviceMode; // device's mode.
private DroneStatus.connectStatus connectStatus; // drone's connection status.
private DroneStatus.taskStatus taskStatus; // drone's task status.
// private DroneStatus2.connectStatus connectStatus2; // 使用 enum + object + shortCode 方式
public void setDeviceName(String deviceName) { this.deviceName = deviceName; }
public void setDeviceMode(String deviceMode) { this.deviceMode = deviceMode; }
public void setConnectStatus(DroneStatus.connectStatus connectStatus) { this.connectStatus = connectStatus; }
public void setTaskStatus(DroneStatus.taskStatus taskStatus) { this.taskStatus = taskStatus; }
// public void setConnectStatus2(DroneStatus2.connectStatus connectStatus2) { this.connectStatus2 = connectStatus2; }
public String getDeviceName() {
return deviceName;
}
public String getDeviceMode() {
return deviceMode;
}
public DroneStatus.connectStatus getConnectStatus() {
return connectStatus;
}
public DroneStatus.taskStatus getTaskStatus() {
return taskStatus;
}
// public DroneStatus2.connectStatus getConnectStatus2() {
// return connectStatus2;
// }
}
/**
* 一般 enum + object 範例
*
*/
class DroneStatus {
public enum connectStatus {
ON (1),
OFF (0);
private final int shortCode;
connectStatus(int code) {
this.shortCode = code;
}
public int getShortCode() {
return shortCode;
}
}
public enum taskStatus {
ON,
OFF,
}
public enum isMediaStreaming {
ON,
OFF,
}
public enum isMqttIotHub {
ON,
OFF,
}
}
/**
* 結合 enum + object + shortcode 方式範例
*
* TODO: enum + object + shortcode
*/
class DroneStatus2 {
public enum connectStatus {
ON (1),
OFF (0);
private final int shortCode;
connectStatus(int code) {
this.shortCode = code;
}
}
}