Calculate Age from date of birth in Java
This tutorial demonstrates how to calculate the age from a birth date in Java. Something trivial as calculating the age, was daunting before Joda Time and Java 8. Let’s list the options you have...
Memorynotfound Java Programming Tutorials
MySQL / MariaDb + Hibernate XML Configuration Example
This tutorial shows you how to configure MySQL/MariaDB with Hibernate using XML Configuration. We demonstrate this by inserting a POJO into the database. This POJO and database are configured using XML Configuration. Maven Dependencies...
Add, Edit Metadata of PDF Document using iText in Java
Metadata has been described as the business card of a particular digital document. The term metadata literally means “data about data”. It can contains additional information about a file. This includes, but not limits...
Take a Screenshot in Java and save as PNG/JPG
A screenshot, screen capture, screen cap, screen dump, or screengrab is a visual snapshot in time of the monitor, television, or other visual output device in use. In the following tutorial, we demonstrate how...
Simple Java QR Code Generator Example
Quick Response Codes (QR Codes) are becoming one of the most popular barcode systems in the world, thanks to smartphones. Their usage is really versatile, from automotive, product packaging to online ticket services. Business...
Unit Test Spring MVC Rest Service: MockMVC, JUnit, Mockito
Previously we saw how to create a spring mvc restful web service. In this tutorial we continue by showing how to unit test this spring mvc rest service using JUnit, Mockito and Spring Test...
Add Watermark to PDF Document using iText and Java
A watermark is a kind of marker – or stamp -, and usually is text or an image embedded either in front of, or behind the content of the pdf document. It is used...
Add Barcode and QR Code to PDF with iText
Add Barcode 39 to PDF Code 39 is a variable length, discrete barcode symbology. The code 39 has 43 characters, from uppercase letters (A through Z), numeric digits (0 through 9) and a number...
Merge Multiple PDF Documents using iText and Java
Previously, we saw how to split a single PDF document into multiple PDF documents. You may also face a scenario, where you need to merge multiple PDF documents into a single PDF document. These...
Split PDF Document with iText in Java
PDF documents can contain large amounts of pages. When your pdf document exceeds the amount of RAM on your system, these documents can become difficult to view. In this tutorial, we show you how...