Or use maven and add this two dependencies:<br><br><div>                 &lt;dependency&gt;</div><div><span class="Apple-tab-span" style="white-space:pre">                        </span>&lt;groupId&gt;org.drools&lt;/groupId&gt;</div><div><span class="Apple-tab-span" style="white-space:pre">                        </span>&lt;artifactId&gt;drools-core&lt;/artifactId&gt;</div>
<div><span class="Apple-tab-span" style="white-space:pre">                        </span>&lt;version&gt;5.4.0.Final&lt;/version&gt;</div><div><span class="Apple-tab-span" style="white-space:pre">                </span>&lt;/dependency&gt;</div><div><span class="Apple-tab-span" style="white-space:pre">                </span>&lt;dependency&gt;</div>
<div><span class="Apple-tab-span" style="white-space:pre">                        </span>&lt;groupId&gt;org.drools&lt;/groupId&gt;</div><div><span class="Apple-tab-span" style="white-space:pre">                        </span>&lt;artifactId&gt;drools-compiler&lt;/artifactId&gt;</div>
<div><span class="Apple-tab-span" style="white-space:pre">                        </span>&lt;version&gt;5.4.0.Final&lt;/version&gt;</div><div><span class="Apple-tab-span" style="white-space:pre">                </span>&lt;/dependency&gt;</div><div><br></div>
----------------------------------------------------------------------------------------------------------------<br>Jackson Cunha Cassimiro (CereB)<br>Bacharel em Ciencia da Computação - UFPI<br>MSN: <a href="mailto:jackson.cereb@gmail.com" target="_blank">jackson.cereb@gmail.com</a><br>
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