event.java

来自「think in java TIJ-3rd-edition-code.zip」· Java 代码 · 共 15 行

//: c08:controller:Event.java
// The common methods for any control event.
package c08.controller;

abstract public class Event {
  private long evtTime;
  public Event(long eventTime) {
    evtTime = eventTime;
  }
  public boolean ready() {
    return System.currentTimeMillis() >= evtTime;
  }
  abstract public void action();
  abstract public String description();
} ///:~