In this tutorial, we will show you how to do the data grouping with Spring Data + MongoDB aggregation framework.

Date: 2019-08-17 View: 1964

Gradle Create Java project structure automatically

To quick start a new Gradle Java project, type gradle init --type java-library

Date: 2019-08-17 View: 2519

A simple Math.pow example, display 2 to the power of 8.

Date: 2019-08-17 View: 1840

In Java, there are few ways to display double in 2 decimal places.

Date: 2019-08-17 View: 1576

NameCheap domain name and Amazon EC2

In this tutorial, we will show you how to associate a NameCheap domain name to an Amazon EC2 instance.

Date: 2019-08-17 View: 2034

In Maven, you can use mvn dependency:tree to display the project dependencies in tree format.

Date: 2019-08-17 View: 1559

In Java, you can use Integer.parseInt() to convert a String to int.

Date: 2019-08-17 View: 1503

Code snippets to show you how to convert string to bytes and vice versa.

Date: 2019-08-17 View: 1893

Spring 3 MVC hello world example Annotation

In this tutorial, we will take the previous Maven + Spring MVC XML example, rewrite it to support @JavaConfig configuration, no more XML files, and deploy it into a Servlet 3.0+ container, like Tomcat 7 or Jetty 9.

Date: 2019-08-17 View: 1679

Gradle – Spring 4 MVC Hello World Example Annotation

In this tutorial, we will take the previous Gradle + Spring MVC XML example, rewrite it to support @JavaConfig annotation configuration, no more XML files.

Date: 2019-08-17 View: 2667

Maven Jetty Plugin Examples

Few Maven Jetty 8.x and 9.x plugin examples, just for quick reference.

Date: 2019-08-17 View: 1731

Eclipse How to change web project context root

If you run or debug a web project in Eclipse, the project name will be the default context root. For example, a project named “springmvc”, the default context root will be

Date: 2019-08-17 View: 1936

In this article, we will show you how to validate the submitted form values with Spring validator and Hibernate Validator (bean validation).

Date: 2019-08-17 View: 1852

Spring examples to show you how to mix both Spring XML and JavaConfig together.

Date: 2019-08-17 View: 2225

In a nutshell, a servlet filter lets you intercepts requests and responses on your web application. This article shows you how to register a servlet filter in Spring XML and JavaConfig.

Date: 2019-08-17 View: 2703