Timer.java

/**
 * This class handles in-game timers.
 * timer  - the current value of the timer
 * update - what to change the update time with
 * low    - when to return that the timer is being low
 */
 
public class Timer {
    private int timer;
    private int update;
    private int low;
    
    public Timer(int defaultTime, int defaultUpdate, int defaultLow) {
        timer = defaultTime;
        update = defaultUpdate;
        low = defaultLow;
    }
    
    /**
     * prints out the timer.
     */
    public String toString() {
        return Integer.toString(timer);
    }
    
    /**
     * updates the timer
     */
    public void updateTimer() {
        timer += update;
    }
    
    /**
     * alter timer data
     */
    public void setTime(int time) {
        timer = time;
    }
    public void setUpdate(int update) {
        this.update = update;
    }
    public void setLow(int low) {
        this.low = low;
    }
    
    /**
     * check if the timer is low
     */
    public boolean isLow() {
        if (timer <= low) {
            return true;
        }
        return false;
    }
    
    /**
     * check if the timer reached zero
     */
    public boolean hasExpired() {
        if (timer <= 0) {
            return true;
        }
        return false;
    }
}