In this tutorial we will go over different ways we can join Java Arrays. If you have any of below questions then you are at right place: How can I concatenate two arrays in Java?How to Merge Two …
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.
How to create executable .jar file using Linux commands and without Eclipse Shortcut?
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 …
Java Method Hiding and Overriding: Override Static Method in Java
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 …
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Best way to Compare String Arrays, Integer Arrays and Strings in Java – “CrunchifyCompare” Overloaded Utility for your Project
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 find if Year is a Leap Year or not? Custom logic and Gregorian Calendar
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 …
In Java How to Read a File and Convert File to String? (5 different ways)
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 …
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In Java How to add New line in String?
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 …
In Java How to Escape HTML content? Simple Tutorial using Apache Commons Library
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? 7 different ways
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 …
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