singlequeue.java

软件工程实践课程的答案哦

class SingleQueue
{
	int size;
	SingleColorSet[] queue;
	int head;
	int rear;
	SingleQueue()
	{
		size = 15;
		queue = new SingleColorSet[size];
		head = 0;
		rear = 0;
	}
	/**
	 * put a new SingleColorSet object into the queue
	 * @i the object to put into the queue*/
	public void enQueue(SingleColorSet i)
	{
		queue[rear] = i; 
	  	rear = (rear+1)%size;
	}
	/**
	 * delete SingleColorSet object from the queue
	 * @return the first object of the queue*/
	public SingleColorSet deQueue()
	{
		SingleColorSet temp = queue[head];
		head = (head+1)%size;
		return temp;
	}

/**
 * @return the colorSet after the current*/
	public SingleColorSet getNext()
	{
	//	System.out.println("Next BarQueue:"+queue[(head+1)%size].getColor0()+","+queue[(head+1)%size].getColor1()+","+queue[(head+1)%size].getColor2()+"," );
		SingleColorSet temp = queue[head];
		return temp;
	}
	/**
	 * @return length of the queue*/	
	public int getQueLen()
	{
		return (rear+size-head)%size;
	}
	
/*	public static void main(String[] args)
	{
		SingleQueue queue = new SingleQueue();
		
		queue.enQueue(1);
		queue.enQueue(2);
		//System.out.println((queue.rear-queue.head+queue.size)%queue.size);
		
		
		//System.out.println(queue.deQueue());
		//System.out.println(queue.deQueue());
		System.out.println(queue.getQueLen());
	}
	*/

}