title: Concatenating strings += vs another method
body: <p>What is another way to concatenate besides <code>+=</code>?</p>
  
  <pre class="lang-js prettyprint-override"><code>String s = "";
         s += "variable1 " + variable2 + " " + variable3 + "-" + variable4 + "(" + variable5):;
  </code></pre>
  
  <p>my exmample assuming variables have been assigned is above what is another way besides <code>+=</code></p>