Need Apache ANT on CentOS 7? Don’t get left behind in your build automation game! Follow this step-by-step guide to install Apache ANT and streamline your Java project builds with ease. Act now and take control of your development environment! #centlinux #linux #devops
Table of Contents
What is Apache ANT?
Apache ANT (Another Neat Tool) is a Java Library and Command-line tool to automate software build processes. It is mostly used by open source community to compile and build Java applications. Apache ANT is platform independent. It uses a XML file build.xml to create script for the build process. The same build.xml file can be used on any platform to build the Java application.
Apache ANT (Another Neat Tool) is a Java-based build tool used for automating software build processes. It is similar to Make but is platform-independent and is mainly used for Java projects. ANT uses XML to describe the build process and its dependencies. Here are some key features of Apache ANT:
- Platform Independence: Written in Java, ANT can run on any platform that has a Java Virtual Machine (JVM).
- XML Configuration: Build files are written in XML, making them easy to understand and modify.
- Extensibility: Users can create their own tasks or extend existing ones, allowing for highly customizable build processes.
- Task-Based: The build process is divided into tasks, such as compiling code, copying files, generating JAR files, and running tests.
- Integration: ANT integrates well with various IDEs (Integrated Development Environments) and CI/CD (Continuous Integration/Continuous Deployment) tools.
Overall, Apache ANT is a powerful and flexible tool for automating repetitive tasks in the software development process, particularly for Java-based projects.

Apache ANT vs Apache Maven
Apache ANT and Apache Maven are both build automation tools commonly used in Java development, but they have distinct differences in their approach, configuration, and functionality. Here’s a comparison of the two:
Configuration Style
- Apache ANT: Uses XML to describe the build process. ANT scripts are imperative, meaning you define the sequence of tasks explicitly.
- Apache Maven: Also uses XML, but it follows a declarative approach. You describe the project structure and dependencies, and Maven handles the build process based on conventions.
Dependency Management
- ANT: Does not have built-in dependency management. You need to manually handle library dependencies or use additional tools like Apache Ivy.
- Maven: Has built-in dependency management through a central repository. Maven automatically downloads and manages dependencies defined in the
pom.xml
file.
Convention over Configuration
- ANT: Does not enforce any conventions. You have to specify all tasks and their execution order.
- Maven: Follows the principle of “convention over configuration.” It provides a standard project layout and lifecycle, reducing the need for extensive configuration.
Build Lifecycle
- Apache ANT: The build lifecycle is entirely defined by the user. You need to specify each target and its dependencies.
- Apache Maven: Provides a predefined build lifecycle with phases like compile, test, package, install, and deploy. Custom goals and phases can be added, but the core lifecycle is predefined.
Plugins and Extensibility
- Apache ANT: Highly extensible with a wide range of built-in and third-party tasks. Custom tasks can be written in Java.
- Apache Maven: Extensible via plugins that can be easily added to the
pom.xml
. Maven Central Repository hosts a vast number of plugins for various tasks.
Use Cases
- Apache ANT: Suitable for projects where you need fine-grained control over the build process. It’s flexible and can be tailored to complex build scenarios.
- Apache Maven: Ideal for projects that can benefit from standard conventions and dependency management. It’s particularly useful for managing multi-module projects.
Learning Curve
- ANT: Easier to get started with for small projects, but can become complex for larger projects due to manual configuration.
- Maven: Steeper learning curve initially due to its conventions and lifecycle, but can save time in the long run with its standardized approach.
Community and Ecosystem
- Apache ANT: Has a large community with a wide range of tasks and extensions available.
- Apache Maven: Also has a large community with extensive documentation, plugins, and integration with other tools.
Summary
- Apache ANT is more flexible and provides complete control over the build process, making it suitable for complex, custom build scenarios.
- Apache Maven simplifies project setup with its conventions and built-in dependency management, making it easier to maintain and standardize projects, especially large ones.
Choosing between ANT and Maven depends on the specific needs of your project and your preference for build process control versus standardized project management.
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Linux Server Specification
In this article, we will install Apache ANT on CentOS 7 machine and create a build.xml file to compile and build a simple Java application.
Apache ANT does not have any special system requirements. We are using a Linux machine with following specification.
- Hostname – ant-server.itlab.com
- IP Address – 192.168.116.28/24
- Operating System – CentOS 7.6
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Connect to ant-server.itlab.com using ssh.
Install Apache ANT package with yum command.
yum install -y ant
Apache ANT requires Java Development Kit (JDK) therefore, it has installed the available version of OpenJDK from yum repository.
Create a Java Project
We will first create a simple Java application and then compile and build the JAR by using Java commands.
Let’s create required directory structure for our project.
mkdir -p ~/TestApp/{src/test,build/classes,build/jar}
Here,
- src/test directory is used for keeping the source code of our Java Application i.e. TestApp.
- build/classes directory is used for place the compiled Java classes.
- build/jar directory is used to generate JAR (Java Archive) from the compiled Java classes.
Check the directory structure.
cd TestApp
ls
Output:
build src
Create a file in src/test directory.
vi src/test/TestApp.java
and write some Java code here.
package test;
public class TestApp {
public static void main(String[] args) {
System.out.println("Testing Apache Ant...");
}
}
Compile TestApp.java and check for any possible errors.
javac -sourcepath src -d build/classes src/test/TestApp.java
ls build/classes/test/
Output:
TestApp.class
Our code has been successfully compiled.
Now, execute the compiled application.
java -cp build/classes/ test.TestApp
Output:
Testing Apache Ant...
Since, our application is running fine, we can now create a JAR file from compiled classes.
To create a JAR, we need to create a JAR manifest for our Java Project.
echo "Main-Class:test.TestApp" > mymanifest
Create a JAR file now.
jar cvfm build/jar/test.jar mymanifest -C build/classes/ .
Output:
added manifest
adding: test/(in = 0) (out= 0)(stored 0%)
adding: test/TestApp.class(in = 434) (out= 299)(deflated 31%)
Execute JAR file.
java -jar build/jar/test.jar
Output:
Testing Apache Ant...
We have successfully compiled our Java code and then build a JAR file by using Java commands.
Compile and Build with Apache ANT
Now, we will compile the same application by using ANT commands.
Create an ANT Build File build.xml for our project.
vi build.xml
Define some basic Targets and Tasks therein.
<project default="run">
<target name="clean">
<delete dir="build" />
</target>
<target name="compile" depends="clean">
<mkdir dir="build/classes" />
<javac srcdir="src" destdir="build/classes" includeantruntime="yes" />
</target>
<target name="jar" depends="compile">
<mkdir dir="build/jar" />
<jar destfile="build/jar/test.jar" basedir="build/classes">
<manifest>
<attribute name="Main-Class" value="test.TestApp" />
</manifest>
</jar>
</target>
<target name="run" depends="jar">
<java jar="build/jar/test.jar" fork="true" />
</target>
</project>
Run the Project using Apache ANT.
ant
Output:
Buildfile: /root/TestApp/build.xml
clean:
[delete] Deleting directory /root/TestApp/build
compile:
[mkdir] Created dir: /root/TestApp/build/classes
[javac] Compiling 1 source file to /root/TestApp/build/classes
jar:
[mkdir] Created dir: /root/TestApp/build/jar
[jar] Building jar: /root/TestApp/build/jar/test.jar
run:
[java] Testing Apache Ant...
BUILD SUCCESSFUL
Total time: 1 second
We have successfully compiled and build our Java application by using ANT commands.
Here, we used a RHEL/CentOS 7 machine, but the same build.xml file can be used to compile and build our Java application on any other platform.
Frequently Asked Questions (FAQs)
What is Apache ANT?
Apache ANT is a Java-based build tool used to automate software compilation, testing, and deployment processes.
Do I need Java installed before installing Apache ANT?
Yes, Apache ANT requires Java to be installed on your CentOS 7 system since it is a Java-based tool.
Where can I download Apache ANT for CentOS 7?
You can download the latest Apache ANT binary distribution from the official Apache ANT website.
How do I verify that ANT is installed correctly?
After installation, you can check the ANT version by running a simple command in the terminal.
Do I need to set environment variables for ANT?
Yes, you should configure the ANT_HOME
and update the PATH
variable to ensure ANT works from any directory.
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By successfully installing Apache ANT on CentOS 7, you’ve set the stage for powerful, flexible build automation in your Java development workflow. From downloading the binaries to configuring environment variables, every step has brought you closer to faster, more efficient project builds.
Don’t fall behind using outdated methods—adopt Apache ANT and experience the difference it makes in productivity and control. The development world is automating—make sure you’re not the one playing catch-up.
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Thank you for reading, and happy coding!
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