This post shows how to change Java Language Level in IntelliJ IDEA .
How to write XML in Kotin using DOM
This post demonstrates how to write XML files using DOM in Java.
How to read XML in Kotlin using DOM Parser
This post demonstrates how to read XML files using DOM Parser which parses and loads the entire XML into memory in a Tree structure which makes it very easy to traverse and manipulate elements.
Kotlin Class Delegation Example
This post shows how to implement the Delegation Design Pattern in Kotlin.
Java 9 Stream filter, takeWhile, dropWhile methods
This post demonstrates how to use the new methods – takeWhile and dropWhile – of the Stream interface in Java 9 Jigsaw. We’ll touch briefly on Stream.filter(Predicate p) just to get comfortable before trying out the new methods.
Inheritance and Delegation Design Pattern Examples in Java
This post shows 2 sets of rather equivalent of Java source code files. One uses inheritance that enable child classes to inherit properties and methods from their parent classes. Another set uses the Delegation Design Pattern.
Install Java 9 in Ubuntu
This post demonstrates how to install Java 9 on Ubuntu Trusty 64.
JSF – Data Table Example
This post shows a sample usage of JSF Data Table to construct a basic HTML on a page. You can download the source codes from the GitHub link provided at the very bottom of this page.
JSF – Managed Bean Custom Validation Methods
This post demonstrates how to create customer validation methods in the same @ManagedBean class and use them accordingly.
JSF – Individual Error Message for each field validated
This post demonstrates how to use individual error message for each field validated in JSF. Previously, we used “combined” error messages displayed in only one location on the page