How to iterate through Java List? This tutorial demonstrates the use of ArrayList, Iterator and a List. There are 7 ways you can iterate through List. Simple For loop Enhanced For loop …
Java and J2EE Tutorials Archives...
One of my favorite language Java is a programming language and computing platform developed by Sun which is acquired by Oracle now. J2EE is Java Enterprise Edition, which consists of core Java with a powerful set of libraries.
On Crunchify, we do have more than 400+ Java and J2EE tips with additional production ready utilities. Explore all tutorials below.
Have you noticed Race Condition in Java Multi-threading Concurrency Example? How to deal with it?
Sometime back I've written an article on Producer Consumer Example and how to handle read/write operation better way in Java. On the similar note, in this tutorial we will discuss something on Race …
How to Create Your Own Non-Blocking, Fixed Size Queue in Java? Same as EvictingQueue
If you don't want to use Google Guava's EvictingQueue external dependency in your Java Enterprise Project then you should consider creating your own non-blocking, fixed size queue. Basically we …
Java eNum Comparison using Equals (==) operator, Switch-Case statement and .equals() method – Complete Tutorial
Sometime back I've written an article on Java eNum - Why and for what should I use Java eNum? What is an eNum type? It is a special data type to which we could assign predefined constants to …
Java: How to Get Random Key-Value Element From HashMap
Is there a way to get the value of a HashMap randomly in Java? Of Course, below is a simple Java Code which represents the same. Also, at the end of program there is a bonus code to Shuffle …
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In Java how to Delete Files, Folders from Windows, Mac OS X and Linux OS?
Sometime back I've written an article on how to remove /tmp or unnecessary files / folder on Linux automatically via script? Now it's time to write the same utility for Windows environment. In this …
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In Java How to find a Line with Maximum Number of Words? Using Stream.forEach() Iterator
For any given file, Write a Java program to find a line with maximum number of words in it is a very common interview question. In other words, write a Java program to find longest line from …
What is Thread-Safe BlockingQueue in Java? When should you use it? Implementation Attached
So far I've written two articles on Producer Consumer concept on Crunchify. 1st one to explain Java Semaphore and Mutex and 2nd one to explain Concurrent Read/Write. In this Java Tutorial we will go …
4 Ways to Check if Array Contains a Specific Value in Java8? IntStream and Arrays.asList Tutorial
This is the simplest and complete solution for your if you want to check if ArrayList contains specific value such as String, Integer, Long or Double. With the combination of Java7 and Java8 - …