How to generate a STUB

The target ant-wsdl2java is generating skeleton, I am looking for stub. It is generating the classes

and many other classes based on the wsdl.
I am looking for stub generation to call the service from client side.
The process I followed is
1. Wrote the service class
2. Wrote the services.xml
3. Compile the class and made an .aar archive out of it.
4. Generated the wsdl from the Class using java2wsdlBuild target.

5. Ran ant-wsdl2java target to generate the stub.

Where I am going wrong I am not sure.

<target name="declare">
        <taskdef name="codegen" classname="org.apache.axis2.tool.ant.AntCodegenTask" classpathref="axis2.classpath"/>
    </target>
	
    <target name="ant-wsdl2java" depends="build-aar, declare">
        <codegen wsdlfilename="${dist.dir}/calculatorservice.wsdl" output="." serverside="true" generateservicexml="true"/>
    </target>

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<target name="java2wsdlBuild" depends="compile">
        <taskdef name="java2wsdl" classname="org.apache.axis2.tool.ant.Java2WSDLTask" classpathref="axis2.classpath"/>
        <java2wsdl className="calculator.CalculatorService" classpath="${classes.dir}" outputfilename="calculatorservice.wsdl" outputlocation="${dist.dir}" targetNamespace="http://calculator.service/" schemaTargetNamespace="http://calculator.service/xsd">
            <classpath>
                <pathelement path="${axis2.classpath}"/>
                <pathelement location="${classes.dir}"/>
            </classpath>
        </java2wsdl>
    </target>

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