?? sensor.java
字號:
package com.javapatterns.facade.security;
public class Sensor
{
public void activate()
{
System.out.println("Activating the sensor.");
}
public void deactivate()
{
System.out.println("Deactivating the sensor.");
}
public void trigger()
{
System.out.println("The sensor has been triggered.");
}
}
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