Convert Hexadecimal to ASCII String in Java
Hexa (six) plus decimal (ten) equals sixteen. It stands for the Base 16 Number System. Valid hexadecimal digits are numbers from 0 to 9 and letters from A through F. Hexadecimal numerals are widely...
Category: Java
Update XML Document with JDOM2
In this tutorial we show how to update an XML Document using JDOM. We can modify the XML Document after we load it into memory. We show you how to do the following updates:...
Query XML Document with XPath and JDOM
We can use XPath to query an XML Document, searching for specific nodes using a query syntax. This tutorial shows how to Query an XML Document with XPath and JDOM. Maven Dependencies You need...
Validate XML against XSD Schema using JDOM
An XSD Schema is used to validate an XML document, it describes what elements, attributes, types are allowed and in which order. In the following tutorial we explain how you can validate an XML...
Validate XML against DTD using JDom
A Document Type Definition (DTD) defines which elements and attributes you can use inside an XML document. Typically this DTD document is specified inside the XML document. In this example we explain haw you...
Write XML File in Java using JDom XMLOutputter
JDom has an intuitive API and is therefore easy to use. In this example we explain how you can create a XML file using JDom. First we load the entire Document into memory. When...
Read XML in Java using JDom Parser
JDom is an open source library for manipulating XML documents. It has an easier API then the standard Java JDK libraries. In the following tutorial we explain how you can read an XML file...
Configure JNDI Datasource in Tomcat
Almost all web applications need to access a database. So we need to be aware what the best practices are in order to configure these databases efficiently. A database connection is expensive to make,...
JAX-RS Jersey Gson Serializer and Deserializer
This tutorial shows how to use Gson to marshal and unmarshal a Java object to and from JSON representation. You could also use the default implementations like: Jackson, JSONP or MOXy. But the power...
Create Public Private KeyStore for Client and Server
This tutorial explains how to create a public private keystore for client and server. You can use these keystores to secure communication between client and server. Following steps are required for generating a public...