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Java and J2EE tutorials are lessons and resources aimed at teaching individuals about the Java programming language and the Java 2 Platform, Enterprise Edition (J2EE) for developing enterprise applications. These tutorials cover various aspects of Java and J2EE, including the language syntax, object-oriented programming concepts, J2EE components and APIs, and best practices for developing enterprise applications.
They are designed for both beginners and experienced Java developers, and aim to help individuals gain the skills and knowledge needed to develop high-quality Java and J2EE applications.
A linked list is a data structure that consists of a sequence of nodes, where each node stores an element and a reference to the next node. In Java, the LinkedList class implements the Iterable …
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Here is one way to implement the union of two arrays using the Java Collection class. In this example I'm using Java Collection Class TreeSet. This class implements the Set interface, backed by …
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What is Counting Sort Algorithm? Counting sort, a sorting algorithm that is efficient for small ranges of integers. It works by counting the number of occurrences of each value in the input array, …
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In Java how to make file Read only or Writable? Also, how to check if file is Writable or not? In this tutorial we will go over below different File Operations. If you have any of below …
This is a very simple free Java Utility which tells you if you could establish a socket connection to different hosts on specific ports. Feel free to use it in production environment. In …
As you know, in Java, a class provides the blueprint for objects; you create an object from a class. There are four different ways to create objects in java: Method-1 Using new keyword. This …
On Crunchify, we have written so far 500+ Java and Spring MVC technology related tutorials. Learning new stuff never bored me. I like learning new stuff every day and I believe it's the same for my …
I have two Strings: str1 and str2. How to check if str2 is contained within str1? You can definitely use Java's own .contains() method. In Java, there are several ways to check if a string …
.properties is a file extension for files mainly used in Java related technologies to store the configurable parameters of an application. They can also be used for storing strings …
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This is a simple Java Example which uses Apache Commons Net library to pull all Whois data. The WhoisClient class implements the client side of the Internet Whois Protocol defined in RFC 954. …
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How to Find Common Elements of Two UnSorted Array? Below is a simple Java Code which shows it. Approach-1. CrunchifyIntersection3.java Eclipse Console …
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Concurrency utilities are very amazing in Java. java.util.concurrent package contains lots of utilities which we could use in number of different ways. In this tutorial we will go over …
Read Article about ArrayBlockingQueue Vs. Google Guava Non-Blocking EvictingQueue Example →
