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Top Java, J2EE Production Ready Utilities which runs, satisfies your project requirements. Which should also be stable, maintainable, scalable with proper documentation. Should follow complete design patterns.
On Crunchify we do have more than 15 these kind of production ready utilities which you could use in your Production environment at no cost.
If you need to add your own logging level in Log4j, then you can do it as follows. You will have to create your own class which will extend from Level, Custom Log Levels with Apache Log4j …
Read Article about In Java How to Create your own Logging Level using Log4j (Configuring Log4j 2) →
java.util.Timer provides facility for threads to schedule tasks for future execution in a background thread. Tasks may be scheduled for one-time execution, or for repeated execution at …
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 …
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 …
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 …
Read Article about In Java how to Delete Files, Folders from Windows, Mac OS X and Linux OS? →
As we learned "Simple way to count number of XML elements in Java" earlier, here is another simple Java code which writes XML file in Java (DOM Parser). Writing Out a DOM as an XML FileJava DOM …
How to Open Hidden Library Folder on MacOS? There are two ways you could show hidden library folder. Let's get started. Have you noticed missing “~/Library” folder in macOS? Also have below …
Read Article about How to Access the Hidden ~/Library Folder on Your Mac? →
This tutorial will be very interesting. Last week I was working on a Java Project which requires me to have list of Classes from .jar file. With the help of JarEntry and JarInputStream utility I was …
In Java 8 – How to sort a Map? On Crunchify we have written almost ~400 java tutorials and this one is an addition to Java8 category. I love Java collection and have multiple tutorials on How to …
Read Article about How to Sort a HashMap by Key and Value in Java 8 – Complete Tutorial →
java.util.* package contains so many utilities like collection framework, event model, date facility, time facility and so on. Java doesn't provide simple compare utility for primitive types …
How to pretty print JSON string using Jackson? This will be very interesting tutorial. Sometimes in your Enterprise Java Application, you have to deal with lots of JSON data. Sometimes you have …
Read Article about How to pretty print JSON in Java using Jackson and Gson both? Example attached →
What is simplest way to read a file into String? Do you want to read a plain text file in Java? How do you want to convert a File object to a String object? There are multiple ways we can read a file …
Read Article about In Java How to Read a File and Convert File to String? (5 different ways) →
