How to integrate ANT tool with Eclipse IDE?

ANT Eclipse IDE(latest edition of Eclipse IDE is Galileo) integration is a very simple process as summarized in following steps:

1. As a first step, create a Java Project in Eclipse IDE.

2. Associate a build.xml with this project and ensure you put this XML at the same location as shown in package structure in Eclipse IDE :
(Click images to enlarge)

The code of build.xml is as given below:

<?xml version="1.0" ?> 
<project name="IQJava" default="execute">
    <target name="init" depends="clean">
        <mkdir dir="build/classes" />
    </target>
    <target name="compile" depends="init">
        <javac srcdir="src" destdir="build/classes" />
    </target>
    <target name="execute" depends="compile">
        <java classname="com.iqjava.ant.AntExample" classpath="build/classes" />
    </target>
    <target name="clean">
        <delete dir="build" />
    </target>
</project>

3. Run this build XML

4. The output of this execution will look like as given below: