This article shows how to quickly build a web application using the Spring Tools Suite. For this tutorial, I use Spring Tools 4 for Eclipse, where I initialize projects using Eclipse wizards. Spring Boot Web Application Spring has a lot of components, and SpringBoot is a convention over configuration approach Read more…
You use maven in Eclipse, and need to work with multi-module (hierarchical) projects? This page shows how to create and work with maven multi-module projects in Eclipse. For this article, I am using eclipse-jee-2019-06, which already supports maven. If you use a different version of eclipse, make sure the m2e Read more…
Here are three examples covering maven basics in Eclipse such as: convert a java project to maven nature, create a project with an archetype selection, and refresh/update projects and understand files and structure. For the article, I use eclipse-jee-2019-06, which already provides maven support. If you use a different version Read more…
Notes on practical usage of Java 8 stream filtering. Stream Filtering A Stream<T> references a sequence of T values, and exposes a set of aggregate operations we can use to manipulate data in a pipeline. As an example, we can find the name of any people older than 20. In java, you can loop Read more…
Here are some notes on parsing XML file with java to extract information Simple Example Assume we have an XML file and we want to extract specific attributes. A sample file could be: With XMLStreamReder Here is the code to quickly scan the XML file and get the values for Read more…
This page presents a few examples of using Java for passwords and hashing. Generate Password A Java example to generate a random password containing only alphanumeric characters. Java Code to ComputeSHA-512 digest other.. linux get sha-512/
Here are a few notes on how to run a simple java REST service and return JSON data as a response REST service to do provide data on products REST with jax-rs using Jersey We start creating a StoreContent class representing the products in an online store. Then, we add Read more…
This article explain how to use XSL Transformation to build an XHTML document. XSL Transform for build XHTML Assume we want transform following XML document An XSL Transform take on XML input and will produce output in several formats. To produce XHTML output we must define the correct output format Read more…
Eclipse GEF Editor Eclipse GEF Editor RCP GEF Project GEF Editor Editor Mechanic GEF Block Diagram Editor GEF Empty Base Editor Gef Editor With Blocks Events On Visual Components Notification with Property Change Listener Change Block Constraints Undo / Redo Support Complete the tutorial (Zeigarnik effect) Source Code References and Read more…
XML DOM Parsing XPath Navigation Use XPath expression to navigate the document tree. Processing a single node To process multiple results, we need to use a List Document Creation You can create a docuemnt from scratch by using the DocumentHelper#createDocuemnt(). Adding nodes and attributes is easy and intuitive. Writing document to Read more…