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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 600+ Java and J2EE tips with additional production ready utilities. Explore all tutorials below.
![Add logback-test.xml file to fix Could NOT find resource [logback-test.xml] error](https://cdn.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 ch.qos.logback.classic. LoggerContext [default] – Could NOT find resource [logback-test.xml] Info message? (Java)
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 …
![How to fix SLF4J - The requested version 1.7.16 by your slf4j binding is not compatible with [1.6]](https://cdn.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)
How to fix error: SLF4J: The requested version 1.7.16 by your slf4j binding is not compatible with [1.6]
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 …
Best way to convert Primitive Array to List in Java and Classic toString(), Iterator way
Java Stream() is an amazing util class with lots of functionalities. We have published almost ~30+ Java8 Stream related tutorial on Crunchify and this one is on stream().boxed.collect() utility. We …
How to Remove Duplicate Elements from CSV or any other File in Java?
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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HashMap’s clone(), putIfAbsent(), computeIfAbsent(), computeIfPresent() Methods in Java (Examples)
In this Java Tutorial we will go over details on how to use HashMap's below methods: clone()putIfAbsent(K key, V value)computeIfAbsent(K key, java.util.function.Function …
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 …
How to find Diameter, Area and Perimeter (Circumference) for a Circle in Java?
What is Circle? A circle is a round shaped figure that has no corners or edges. If you have a radius for a circle, you could easily find out Area, Diameter and Circumference for a Circle. Here …
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How to Find Factorial of a given number using recursion in Java?
What is a factorial number? In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. Here is a simple program …
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