How To Install libreadline-java on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libreadline-java on Ubuntu 18.04.
What is libreadline-java
libreadline-java is:
Included is the Java package org.gnu.readline which provides the GNU readline and BSD editline libraries for Java. Note that this is NOT a pure Java implementation; it merely contains JNI wrappers for the standard system libraries.
BSD editline resembles GNU readline but is under a more relaxed license. In some cases it can be used as a drop-in replacement for GNU readline when licensing issues prevent GNU readline from being used.
The API documentation and examples can be found in libreadline-java-doc.
There are three methods to install libreadline-java on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install libreadline-java Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libreadline-java using apt-get by running the following command:
sudo apt-get -y install libreadline-java
Install libreadline-java Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libreadline-java using apt by running the following command:
sudo apt -y install libreadline-java
Install libreadline-java 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 libreadline-java using aptitude by running the following command:
sudo aptitude -y install libreadline-java
How To Uninstall libreadline-java on Ubuntu 18.04
To uninstall only the libreadline-java package we can use the following command:
sudo apt-get remove libreadline-java
Uninstall libreadline-java And Its Dependencies
To uninstall libreadline-java and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libreadline-java
Remove libreadline-java Configurations and Data
To remove libreadline-java configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libreadline-java
Remove libreadline-java configuration, data, and all of its dependencies
We can use the following command to remove libreadline-java configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libreadline-java
References
Summary
In this tutorial we learn how to install libreadline-java package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
