java.lang.Object
- dsa.ResizingArrayQueue<Item>

All Implemented Interfaces:

Queue<Item>, Iterable<Item>
```
public class ResizingArrayQueue<Item>
extends Object
implements Queue<Item>
```
This data type provides an implementation of the Queue API, using an array as the underlying data structure.

Constructor Summary

Constructors
Constructor Description

ResizingArrayQueue()
Constructs an empty queue.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Item`	`dequeue()`	Removes and returns the item at the front of this queue.
`void`	`enqueue(Item item)`	Adds `item` to the end of this queue.
`boolean`	`isEmpty()`	Returns `true` if this queue is empty, and `false` otherwise.
`Iterator<Item>`	`iterator()`	Returns an iterator to iterate over the items in this queue in FIFO order.
`static void`	`main(String[] args)`	Unit tests the data type.
`Item`	`peek()`	Returns the item at the front of this queue.
`int`	`size()`	Returns the number of items in this queue.
`String`	`toString()`	Returns a string representation of this queue.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable
forEach, spliterator

- Constructor Detail
  - ResizingArrayQueue
```
public ResizingArrayQueue()
```
    Constructs an empty queue.
- Method Detail
  - isEmpty
```
public boolean isEmpty()
```
    Description copied from interface: Queue
    
    Returns true if this queue is empty, and false otherwise.
    
    Specified by:
    
    isEmpty in interface Queue<Item>
    
    Returns:
    
    true if this queue is empty, and false otherwise.
  - size
```
public int size()
```
    Description copied from interface: Queue
    
    Returns the number of items in this queue.
    
    Specified by:
    
    size in interface Queue<Item>
    
    Returns:
    
    number of items in this queue.
  - enqueue
```
public void enqueue(Item item)
```
    Description copied from interface: Queue
    
    Adds item to the end of this queue.
    
    Specified by:
    
    enqueue in interface Queue<Item>
    
    Parameters:
    
    item - the item.
  - peek
```
public Item peek()
```
    Description copied from interface: Queue
    
    Returns the item at the front of this queue.
    
    Specified by:
    
    peek in interface Queue<Item>
    
    Returns:
    
    item at the front of this queue.
  - dequeue
```
public Item dequeue()
```
    Description copied from interface: Queue
    
    Removes and returns the item at the front of this queue.
    
    Specified by:
    
    dequeue in interface Queue<Item>
    
    Returns:
    
    item at the front of this queue.
  - iterator
```
public Iterator<Item> iterator()
```
    Returns an iterator to iterate over the items in this queue in FIFO order.
    
    Specified by:
    
    iterator in interface Iterable<Item>
    
    Returns:
    
    an iterator to iterate over the items in this queue in FIFO order.
  - toString
```
public String toString()
```
    Returns a string representation of this queue.
    
    Overrides:
    
    toString in class Object
    
    Returns:
    
    a string representation of this queue.
  - main
```
public static void main(String[] args)
```
    Unit tests the data type.
    
    Parameters:
    
    args - the command-line arguments.

Class ResizingArrayQueue<Item>

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface java.lang.Iterable

Constructor Detail

ResizingArrayQueue

Method Detail

isEmpty

size

enqueue

peek

dequeue

iterator

toString

main