Crunchify
Largest free Technical and Blogging resource site for Beginner. We help clients transform their great ideas into reality!
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 Java how to simple way to check if URL is valid or invalid? Well there are multiple ways you could do that. In our tutorial, we will use org.apache.commons.validator.routines.UrlValidator to …
Read Article about Simple way to check if URL is valid or invalid? How to Validate URLs in Java →
So far for me it it was so easy to right click in Eclipse IDE and create executable .jar file with few simple clicks. Last week I had to create executable .jar file manually on my Digital Ocean node …
Want to learn Fundamental of Instance Method? In Java, an instance method in a subclass with the same signature and return type as an instance method in the superclass overrides the …
Read Article about Java Method Hiding and Overriding: Override Static Method in Java →
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 …
In Java how to download files from any given URL? This tutorial works if you have any of below questions: Download a file from a URL in Java.How to Download a File from a URL in JavaHow to download …
Read Article about Top 5 ways to Download a File from any given URL in Java? →
Hello all! It's time for us to upgrade to Java 11. Sometime back Java 11 was launched on September 25, 2018. Today we got chance to upgrade our JDK to Java11 on my Macbook Pro. Do you have any …
Are you facing java.lang.TypeNotPresentException: Type javax.xml.bind.JAXBContext not present exception? Today while running my RESTful service on my Eclipse I noticed …
What is a Leap Year? Leap year is a year, occurring once every four years, that has 366 days including February 29 as an intercalary day. Is the year divisible by 4? If no - it's not a leap …
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) →
In this tutorial we will go over two different ways to add new line to any String object. Let's get started: Create class CrunchifyAddNewLineToString.javaCopy below code and save …
Sometime it's absolutely necessary to escape HTML content before you proceed over to Database operations or sending it as a POST call payload. Sometime back I've written a tutorial on Escape …
In Java How to initialize HashMap? How to directly initialize a HashMap (in a literal way). There are 7 different ways you can initialize HashMap in Java. Method-1: Simple Mutable map: It's …
Read Article about In Java how to Initialize HashMap? 7 different ways →
