package lab3;

/**
 *
 * @author Star Lord
 */
public class MyQueue {
    private MyArray a1 = new MyArray(10);
    private int Infinit=9500;
    private int first;
    private int last;
    private int size;

    public MyQueue(){
//        MyArray a1= new MyArray(10);
        first=0;
        last=-1;
        //size=0;
    }

    public int getSize() {
        return size;
    }

    public void enqueue(int value){
        last+=1;
        a1.set(last, value);
        size++;
    }
    public int dequeue(){
       size--;
       return a1.get(first++);
    }
    public boolean isEmpty(){
        return (a1.getSize()==0);
    }
    public String toString(){
        StringBuffer s = new StringBuffer();
        for(int i=first;i<getSize();i++)
            s.append(a1.get(i)+" ");
        return "" + s+first+" "+last+" "+size;
    }
    public static void main(String[] args) {
        MyQueue queue = new MyQueue();
        queue.enqueue(7);
        queue.enqueue(8);
        queue.enqueue(10);
        queue.enqueue(-1);
        queue.enqueue(2);
        System.out.println(queue);
        System.out.println(queue.dequeue());
        System.out.println(queue.getSize());
        System.out.println(queue);
        queue.enqueue(9);
        queue.enqueue(queue.dequeue());
        queue.enqueue(11);
        queue.enqueue(22);
        System.out.println(queue);
        while(!queue.isEmpty()) {
            System.out.print(queue.dequeue() + " ");
        }
        System.out.println("");
        System.out.println(queue);

    }
}