title: Insert string in beginning of another string
body: <p>How to insert a string enclosed with double quotes in the beginning of the StringBuilder and String?</p>
  
  <p>Eg:</p>
  
  <pre><code>StringBuilder _sb = new StringBuilder("Sam");
  </code></pre>
  
  <p>I need to insert the string "Hello" to the beginning of "Sam" and O/p is "Hello Sam".</p>
  
  <pre><code>String _s = "Jam";
  </code></pre>
  
  <p>I need to insert the string "Hello" to the beginning of "Jam" and O/p is "Hello Jam".</p>
  
  <p>How to achieve this?</p>