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QueueTest.java
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/*
* Copyright (C) 2019 Daniel McGuinness
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package queue;
/**
* An example program that makes use of a Queue data structure built atop an
* ArrayList which is used to store Strings.
*
* A Queue makes use of the FIFO (First In, First Out) principle, whereby data
* that was pushed first to the Queue is the data that is popped first from the
* Queue.
*
* @author Daniel McGuinness
*/
public class QueueTest {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
StringQueue queue = new StringQueue();
String ex1 = "Ed";
String ex2 = "Edd";
String ex3 = "Eddy";
System.out.println("Pushing Value:\t" + ex1);
queue.push(ex1);
System.out.println("Pushing Value:\t" + ex2);
queue.push(ex2);
System.out.println("Pushing Value:\t" + ex3);
queue.push(ex3);
System.out.println("Popped Value:\t" + queue.pop());
System.out.println("Peeked Value:\t" + queue.peek());
System.out.println("Current Size:\t" + queue.size());
System.out.println("Clearing Stack...");
queue.clear();
System.out.println("Current Size:\t" + queue.size());
}
}