How to connect to PostgreSQL database using pgAdmin 4?

 How to connect to PostgreSQL database using pgAdmin 4? In order to set up a connection to the PostgreSQL database, run pgAdmin 4, for example, from the Start menu. As a result, pgAdmin 4 will start. Then click the menu "Object->Create->Server" or right-click on the item "Servers" and select "Create->Server". The server connection settings window will open. On the General tab, we invent and enter the name of our server in the Name field. On the Connection tab, enter the server IP address, username, password, and if you want, you can check the “Save password?” to save the password and not to enter it every time you connect. If the standard port (5432) of the PostgreSQL server has been changed, then you also need to change it here. Press the "Save" button. Note! The PostgreSQL server must be installed, configured and running. We considered an example of installing and configuring PostgreSQL DBMS on Linux Debian in the material “Installing ...

Java




 Java is a strongly typed object-oriented programming language. Java code is usually translated into special bytecode, and can be executed on any computer architecture using the Java Virtual Machine.


There are a lot of Java application areas: web development, mobile application development, and, of course, desktop application development.


According to the TIOBE index, the Java programming language has been in the lead for quite some time. In other ratings, Java is no less popular, for example, in the IEEE Spectrum and PYPL ratings, Java is in second place.