Value in the properties file overwrite the value in the build.xml

<project name="Properties" basedir="." default="environment">

  <property name="build.path" value="${basedir}/build.xml:${basedir}/build.properties"/>
  <property url="http://localhost:8080/antBuild/build.properties"/>
  <property file="build.properties" prefix="imported"/>
  <property environment="env"/>
  
  <target name="built-in properties">
    <echo message="The base directory is: ${basedir}"/>      
    <echo message="The ant file is: ${ant.file}"/>
    <echo message="The Ant version is: ${ant.version}"/> 
    <echo message="The Project name is: ${ant.project.name}"/>     
    <echo message="The Java version is: ${ant.java.version}"/>     
  </target>

  <target name="build.path" depends="built-in properties">
    <echo message="The File name is: ${basedir}${file.separator}build.xml"/>
    <echo message="Path structure: ${basedir}${file.separator}build.xml${path.separator}
       ${basedir}${file.separator}build.properties"/>
  </target>

  <target name="environment" depends="build.path">
    <echo message="Built on: ${env.OS} ${env.PROCESSOR_ARCHITECTURE}"/>
    <echo message="ANT_HOME Directory name: ${env.ANT_HOME}"/>
  </target>

</project>

property.example=Local File
property.file.example=build.properties