In the sample code change the database username and database user password as per your environment. Execute the program. You will get the message "You are successfully connected to the PostgreSQL database server." after the successful connection with the database. In the sample code below,...
There are some prerequisites for installing NetBeans. A desktop with a minimum of 2 GB RAM. JDK8 is required to install NetBeans 8.0.2 (JDK9 is not compatible). Run the following command to install Oracle Java (JDK) 8 to your system and update the repository database package. $ sudo ...
For years,Javadevelopment has been dominated by three leading IDEs: Eclipse, IntelliJ IDEA and NetBeans. But we have other suitable opportunities. Among many talented multilingual code editors, Visual Studio Code has proven to be an outstanding product with exceptional Java support. VS Code also pr...
depending on a variety of different things like the set of installed plugins. Also, in practice, not all project settings can be shared among all developers. (My personal favorite -- spell checking. I always turn it off as it is rather distracting, the negative is that it'...
You're in the right place. In this blog, I'll walk through how to learn PHP as a beginner developer, starting from the fundamental concepts of programming to the nuances of PHP language syntax and semantics. We'll also have a look at what’s involved in setting up your local ...
GroupLayoutis a layout manager that was developed for GUI builders such as Matisse, the GUI builder provided with the NetBeans IDE. Although the layout manager was originally designed to suit the GUI builder needs, it also works well for manual coding. This discussion will teach you howGroupLayo...
The architecture of Swing is designed so that you may change the "look and feel" (L&F) of your application's GUI (seeA Swing Architecture Overview). "Look" refers to the appearance of GUI widgets (more formally,JComponents) and "feel" refers to the way the widgets behave. ...
The "Unsupported major.minor version" error occurs due to a mismatch in Java versions. This issue arises when a project is compiled on a higher Java version (e.g., JDK 1.8) and subsequently executed on a lower version (e.g., JDK 1.7). To address this error, there are two potential ...
Setting the JAVA_HOME variable and making the change permanent. Step 1: Check if JDK is installed The simplest way to check if Java Development Kit (JDK) is installed on your Linux system is by running this command: javac --version ...
This might seem obvious, but Java applications are rarely tuned with reasonable Java memory settings from the outset and you’d be well advised to change yours to reduce constant heap expansion which really slows general startup and running down. Your settings will of course depend on your detai...