/span><span class="p">);</span><span class="c1">// &lt;--- (3)</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w">    </span><span class="n">SimpleAccumulator</span><span class="o">&lt;</span><span class="n">BigDecimal</span><span class="o">&gt;</span><span class="w"> </span><span class="n">aggregator</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class=