* QueueArrayList.java This file implements QueueInterface.java This file has * only one ArrayList<T> type of attribute to hold queue elements. One default * constructor initializes the ArrayList<T> queue. An enqueue method receives an * object and place the object into the queue. The enqueue method does not throw * overflow exception. A dequeue method returns and removes an object from queue * front. The dequeue method will throw exception with message "Underflow" when * the queue is empty. A size method returns number of elements in the queue. A * toString method returns a String showing size and all elements in the queue.Please help me in java public interface Queue Interface {}public void enqueue(T object) throws Exception;public T dequeue () throws Exception;public int size();public String toString(); public class QueueDemo {}public static void main(String[] args) {testQueue (new QueueArray(3));testQueue (new QueueArrayList());testQueue (new QueueLinkedList());}private static void testQueue (Queue Interface q) {try {}q. enqueue ("We're");q. enqueue ("the");q.enqueue ("champions.");System.out.print(q.dequeue()q.enqueue ("Summer");System.out.print(q.dequeue()System.out.println(q.dequeue ());q. enqueue ("fun.");System.out.println("\n" + q);q.dequeue ();q. dequeue ();q.dequeue ();} catch (Exception e) {}+ ');1+ ');System.out.println(e.getMessage());System.out.println("..");

Step 1: Declare interface QueueInterface with abstract methods enqueue(), dequeue(), size() and…

Answered: public interface Queue Interface { }…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Related questions

Question

* QueueArrayList.java This file implements QueueInterface.java This file has
* only one ArrayList<T> type of attribute to hold queue elements. One default
* constructor initializes the ArrayList<T> queue. An enqueue method receives an
* object and place the object into the queue. The enqueue method does not throw
* overflow exception. A dequeue method returns and removes an object from queue
* front. The dequeue method will throw exception with message "Underflow" when
* the queue is empty. A size method returns number of elements in the queue. A
* toString method returns a String showing size and all elements in the queue.

Please help me in java

public interface Queue Interface<T> {
}
public void enqueue(T object) throws Exception;
public T dequeue () throws Exception;
public int size();
public String toString();

public class QueueDemo {
}
public static void main(String[] args) {
testQueue (new QueueArray<String>(3));
testQueue (new QueueArrayList<String>());
testQueue (new QueueLinkedList<String>());
}
private static void testQueue (Queue Interface<String> q) {
try {
}
q. enqueue ("We're");
q. enqueue ("the");
q.enqueue ("champions.");
System.out.print(q.dequeue()
q.enqueue ("Summer");
System.out.print(q.dequeue()
System.out.println(q.dequeue ());
q. enqueue ("fun.");
System.out.println("\n" + q);
q.dequeue ();
q. dequeue ();
q.dequeue ();
} catch (Exception e) {
}
+ ');
1
+ ');
System.out.println(e.getMessage());
System.out.println(".
.");

Expert Solution

Step by step

Solved in 4 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions