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org.apache.commons.collections4.queue.CircularFifoQueue Example
What is org.apache.commons.collections4.queue.CircularFifoQueue class? How to use org.apache.commons.collections4.queue.CircularFifoQueue class?
✍: FYIcenter.com
org.apache.commons.collections4.queue.CircularFifoQueue class is a Java class
offered in commons-collections4.jar that
represents a first-in first-out queue with a fixed size that replaces its oldest element if full.
Here is a simple example of using org.apache.commons.collections4.queue.CircularFifoQueue class:
// Copyright (c) 2016-2018 FYIcenter.com // Supports commons-collections4-4.2 // Supports commons-collections4-4.1 import org.apache.commons.collections4.queue.CircularFifoQueue; // Example of using the CircularFifoQueue class public class CircularFifoQueueExample { public static void main(String[] args) throws Exception { // Create a CircularFifoQueue object CircularFifoQueue<String> week = new CircularFifoQueue<String>(7); // Load the CircularFifoQueue object to the full size week.add("Sunday"); week.add("Monday"); week.add("Tuesday"); week.add("Wednesday"); week.add("Thursday"); week.add("Friday"); week.add("Saturday"); // Load more elements week.add("One"); week.add("Two"); week.add("Three"); // Poll elements out of the CircularFifoQueue object for (int i=0; i<10; i++) { System.out.println(i+ ": "+week.poll()); } } }
You can compile and run the above example in a command window as shown below:
C:\fyicenter>\fyicenter\jdk-1.8.0\bin\javac -cp C:\fyicenter\commons-collections4-4.2\commons-collections4-4.2.jar CircularFifoQueueExample.java C:\fyicenter>\fyicenter\jdk-1.8.0\bin\java -cp .;C:\fyicenter\commons-collections4-4.2\commons-collections4-4.2.jar CircularFifoQueueExample 0: Wednesday 1: Thursday 2: Friday 3: Saturday 4: One 5: Two 6: Three 7: null 8: null 9: null
⇒ org.apache.commons.collections4.bag.HashBag Example
⇐ org.apache.commons.collections4.map.LazyMap Example
2017-05-20, 2255👍, 0💬
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