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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.
In this tutorial we will go over list of Matcher (java.util.regex.Matcher) APIs. Sometime back I've written a tutorial on Java Regex which covers wide variety of samples. Regular Expression is a …
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What is the best way to append live data to a file in Java? It's very easy for developer to print output or some debug data to Eclipse Console using println(). But what if you would like to save data …
Properties files are a popular mean of configuring applications. Of course Commons Configuration supports this format and enhances significantly the basic java.util.Properties class. This …
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Tighten the security of your enterprise application is the biggest challenge of any organization. Consider this actual production scenario: You have an application which reads the value from a …
public interface Cloneable I faced CloneNotSupportedException exception in my previously explained post. Thrown to indicate that the clone method in class Object has been called to clone an …
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The LastModifiedFileComparator.LASTMODIFIED_COMPARATOR and LastModifiedFileComparator. LASTMODIFIED_REVERSE Comparator singleton instances in the Apache Commons IO library can be used to sort …
How to set File Permission in Java? Here is a simple example of setting up file permission on any provided file. If you are part of Operations business unit of any company then it's very important …
What is pom.xml file? POM means Project Object Model. It is a fundamental unit of work in Maven. pom.xml file contains all configuration, dependencies, plugin integration and project setup …
Are you getting java.nio.file.FileAlreadyExistsException error? On Crunchify, we have more than 700 Java tutorials and 500+ WordPress tutorials. While running few Java programs today, I suddenly …
Are you getting below Logback Could NOT find resource logback.xml Error? How to fix ch.qos.logback.classic.LoggerContext error? I'm using logback.xml logging framework. We have very detailed …
Are you getting below error while running your Java Program? Then you are at right place. In order to fix above SLF4J error, you need to make sure you have below dependencies in your pom.xml …
Finding a duplicate lines from a file is not a hard problem. But sometime in an interview question, folks sometimes get very confused about the method they have to use. In this tutorial we will go …
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![Add logback-test.xml file to fix Could NOT find resource [logback-test.xml] error](https://crunchify.com/wp-content/uploads/2021/06/Add-logback-test.xml-file-to-fix-Could-NOT-find-resource-logback-test.xml-error-680x290.png)
![How to fix SLF4J - The requested version 1.7.16 by your slf4j binding is not compatible with [1.6]](https://crunchify.com/wp-content/uploads/2021/06/How-to-fix-SLF4J-The-requested-version-1.7.16-by-your-slf4j-binding-is-not-compatible-with-1.6-680x258.png)
