Examples

<property name="strings.test" value="Harr harr, more power!" />
<echo message="${strings.test}" />

<property name="foo.bar" value="Yet another property..." />
<echo message="${foo.bar}" />

<property file="build.properties" />

<property environment="env" />

<property name="newproperty" value="Hello">
  <filterchain>
    <replaceregexp>
      <regexp pattern="Hello" replace="World" ignoreCase="true"/>
    </replaceregexp>
  </filterchain>
</property>