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<pre class="prettyprint"><button class="snippet-button copy-snippet" title="Copy snippet to clipboard">copy</button><code class="language-scala">object Hello extends App {
  def say(str: String): Unit = {
    println(str)
  }
  
  say(&quot;hello&quot;)
}</code></pre>
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<pre class="prettyprint"><button class="snippet-button copy-snippet" title="Copy snippet to clipboard">copy</button><code class="language-scala">object Hello extends App {
  def say(str: String): Unit = {
    println