How To Install janino on Ubuntu 22.04
Introduction
In this tutorial we learn how to install janino on Ubuntu 22.04.
What is janino
janino is:
Janino is a compiler that reads a Java expression, block, class body, source file or a set of source files, and generates Java bytecode that is loaded and executed directly. Janino is not intended to be a development tool, but an embedded compiler for run-time compilation purposes, e.g. expression evaluators or embedded code as with JSP.
This package contains the janinoc tool.
There are three methods to install janino on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install janino Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install janino using apt-get by running the following command:
sudo apt-get -y install janino
Install janino Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install janino using apt by running the following command:
sudo apt -y install janino
Install janino Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install janino using aptitude by running the following command:
sudo aptitude -y install janino
How To Uninstall janino on Ubuntu 22.04
To uninstall only the janino package we can use the following command:
sudo apt-get remove janino
Uninstall janino And Its Dependencies
To uninstall janino and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove janino
Remove janino Configurations and Data
To remove janino configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge janino
Remove janino configuration, data, and all of its dependencies
We can use the following command to remove janino configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge janino
References
Summary
In this tutorial we learn how to install janino package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.
