How To Install ecj on Ubuntu 22.04

In this tutorial we learn how to install ecj on Ubuntu 22.04. ecj is standalone version of the Eclipse Java compiler

Introduction

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

What is ecj

ecj is:

This package provides a standalone version of the Eclipse JDT compiler which is distributed as part of Eclipse. It passes the JCK (Java Compatibility Kit) and is compatible with Java 1.3, 1.4, 5, 6, 7, 8 and 9.

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

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

sudo apt-get update

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

sudo apt-get -y install ecj

Install ecj Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install ecj

Install ecj 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 ecj using aptitude by running the following command:

sudo aptitude -y install ecj

How To Uninstall ecj on Ubuntu 22.04

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

sudo apt-get remove ecj

Uninstall ecj And Its Dependencies

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

sudo apt-get -y autoremove ecj

Remove ecj Configurations and Data

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

sudo apt-get -y purge ecj

Remove ecj configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge ecj

References

Summary

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