How To Install javacc4 on Fedora 34

One-liner Install Command

If you are only interested in the installation command, here is a quick answer for you:

sudo yum makecache && sudo yum -y install javacc4

sudo dnf makecache && sudo dnf -y install javacc4

But if you are interested in the details with step-by-step instructions, the following information will be helpful.

What is javacc4 and How to Install It?

First things first, you will need access to a server or computer running Fedora 34. This guide was written specifically with a server running Fedora 34 in mind, although it should also work on older, supported versions of the operating system.

Also, make sure you are running a regular, non-root user with sudo privileges configured on your server. When you have an account available, log in as your non-root user to begin.

There are several ways to install javacc4 on Fedora 34. You can use (links are clickable):

In the following sections, we will describe each method in detail. You can choose one of them or refer to the recommended one.

Install javacc4 on Fedora 34 using dnf

First, update dnf packages database with dnf by running the next command:

sudo dnf makecache --refresh

After updating database, You can install javacc4 using dnf by running the following command:

sudo dnf -y install javacc4

Install javacc4 on Fedora 34 using yum

Because javacc4 is available in Fedora 34’s default repositories, it is possible to install it from these repositories using the yum packaging system.

To begin, update local packages database with yum using the following command.

sudo yum makecache --refresh

Now can install javacc4 package on your server/computer by running the following command:

sudo yum -y install javacc4

How to upgrade (update) a single package javacc4 using yum?

To update all the packages available on the system:

yum update

If you want to update a specific package like javacc4 in this example you should use the following command:

yum update javacc4

To downgrade a package to an earlier version:

yum downgrade javacc4

How to Upgrade javacc4 on Fedora 34 with dnf?

When you run the dnf update, all system packages with available updates are updated. However, if you want to upgrade a single package, then you would have to pass the package name as the argument to the dnf update command.

dnf update javacc4

How To remove javacc4 from Fedora 34

To uninstall only the javacc4 package you can execute the following command:

sudo dnf remove javacc4

Extra info and code examples

Java Compiler-Compiler (JavaCC) is (according to sun) "the most popular parser generator" for use with Java [tm] applications. A parser generator is a tool that reads a grammar specification and converts it to a Java program that can recognize matches to the grammar. In addition to the parser generator itself, JavaCC provides other standard capabilities related to parser generation such as tree building (via a tool called JJTree included with JavaCC), actions, debugging, etc.

Conclusion

You now have a full guide on how to install javacc4 using dnf and yum package managers. Also, we showed how to update manually as a single package and different ways to uninstall the javacc4 from Fedora 34.

See also: