How To Install javahelp2 on Ubuntu 22.04

In this tutorial we learn how to install javahelp2 on Ubuntu 22.04. javahelp2 is Java based help system

Introduction

In this tutorial we learn how to install javahelp2 on Ubuntu 22.04.

What is javahelp2

javahelp2 is:

The JavaHelp system is an online help system that developers can use to add online help to their Java platform applications. The JavaHelp system provides developers and authors with a standard, fully featured, easy to use system for presenting online information to Java application users. The JavaHelp system consists of a fully featured, extensible specification and API, and a reference implementation of that specification and API that is written entirely in the Java programming language. The JavaHelp system reference implementation, based on the Java Foundation Classes (JFC, also known as Swing), provides a standard interface that enables both application developers and authors to add online help to their applications.

There are three methods to install javahelp2 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 javahelp2 Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install javahelp2 using apt-get by running the following command:

sudo apt-get -y install javahelp2

Install javahelp2 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install javahelp2 using apt by running the following command:

sudo apt -y install javahelp2

Install javahelp2 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 javahelp2 using aptitude by running the following command:

sudo aptitude -y install javahelp2

How To Uninstall javahelp2 on Ubuntu 22.04

To uninstall only the javahelp2 package we can use the following command:

sudo apt-get remove javahelp2

Uninstall javahelp2 And Its Dependencies

To uninstall javahelp2 and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:

sudo apt-get -y autoremove javahelp2

Remove javahelp2 Configurations and Data

To remove javahelp2 configuration and data from Ubuntu 22.04 we can use the following command:

sudo apt-get -y purge javahelp2

Remove javahelp2 configuration, data, and all of its dependencies

We can use the following command to remove javahelp2 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge javahelp2

References

Summary

In this tutorial we learn how to install javahelp2 package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.