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Angular 4 Upgrade for Spring Security OAuth Spring Security OAuth 1. Overview In this quick tutorial, we’re going to upgrade our existing Angular application described here, to use Angular 4 instead of AngularJS. 2. Setup Angular4 First, we’ll use Angular CLI to generate and manage our front-end modules. First, we’ll… Continue Reading angular-4-upgrade-for-spring-security-oauth

Using a Spring Cloud App Starter 1. Introduction In this article, we’ll demonstrate how to use the Spring Cloud App starters – which provide bootstrapped and ready-to-go applications – that can serve as starting points for future development. Simply put, Task App Starters are dedicated for use-cases like database migration… Continue Reading spring-cloud-app-starter

Java 8 Predicate Chain 1. Overview In this quick tutorial, we’ll discuss different ways to chain Predicates in Java 8. 2. Basic Example First, let’s see how to use a simple Predicate to filter a List of names: @Test public void whenFilterList_thenSuccess(){ List<String> names = Arrays.asList(“Adam”, “Alexander”, “John”, “Tom”); List<String>… Continue Reading java-predicate-chain

Converting Between Roman and Arabic Numerals in Java 1. Introduction The ancient Romans developed their own numeric system called Roman numerals. The system uses letters with different values to represent numbers. Roman numerals are still used today in some minor applications. In this tutorial, we’ll implement simple converters that will… Continue Reading java-convert-roman-arabic