Review a simple Java application and log a message via Logback.

Date: 2019-08-18 View: 2734

Spring @PropertySource example

In Spring, you can use @PropertySource annotation to externalize your configuration to a properties file. In this tutorial, we will show you how to use @PropertySource to read a properties file and display the values with @Value and Environment.

Date: 2019-08-18 View: 1453

TestNG Groups Test

In this tutorial, we will show you how to do the group testing in TestNG.

Date: 2019-08-17 View: 1264

In this tutorial, we will show you how to test Spring’s components with TestNG.

Date: 2019-08-17 View: 1420

Java AWT Drawing rectangle, line and circle

The java.awt libraries are set of classes provided by Java in order to draw shapes on a window. The abbreviation AWT stands for Abstract Windowing Toolkit. Today, the library has been converted into a huge set of classes which allows the user to create an entire GUI based application. The visual appearance of these classes depends on the platform on which the application runs.

Date: 2019-08-17 View: 1477

CloudFlare + WordPress admin, Cache issue

Below is my website environment :

Date: 2019-08-17 View: 1489

Examples show you how to convert between int[] and its’ wrapper class Integer[].

Date: 2019-08-17 View: 1337

In Spring MVC + JSP view page environment.

Date: 2019-08-17 View: 1595

Spring Data MongoDB Auto Sequence ID example

In this tutorial, we will show you how to generate an auto-incrementing sequence id in MongoDB + Spring Data environment.

Date: 2019-08-17 View: 1556

Find out your Java heap memory size

In this article, we will show you how to use the -XX:+PrintFlagsFinal to find out your heap size detail. In Java, the default and maximum heap size are allocated based on this – ergonomics algorithm.

Date: 2019-08-17 View: 1468

Grep for Windows findstr example

I love grep command on Linux, it helped to search and filter strings easily, always wonder what is the equivalent tool on Windows, and found this findstr recently.

Date: 2019-08-17 View: 1591

Eclipse + Tomcat java.lang.OutOfMemoryError: Java heap space

In Eclipse IDE, run a Java web application with Tomcat server plugin, but the console prompts

Date: 2019-08-17 View: 1591

jConsole JMX remote access on Tomcat

In this tutorial, we will show you how to use jConsole to remote access a Tomcat instance, for JVM monitoring stuff.

Date: 2019-08-17 View: 1441

Java Get nameservers of a website

In this tutorial, we will show you how to get the nameservers of a website using Java + dig command.

Date: 2019-08-17 View: 1280

Eclipse SimpleTagSupport was not found on the Java Build Path

Here is the development environment

Date: 2019-08-17 View: 1810