title: How to parse 2-digit years in Java 8 / JSR 310 / threeten.org backport?
body: <p>This question relates to parsing 2-digit years in Java 8 / JSR 310 / threeten.org backport. 2-digit years are an unfortunate fact-of-life that need to be dealt with. </p>
  
  <p>I am only concerned about the ISO calendar. 
  JSR 310 by default assumes a "base year" of 2000 for 2 digit years. </p>
  
  <p>I see that control over the base year is accessible via </p>
  
  <pre><code>DateTimeFormatterBuilder.appendValueReduced(...)
  </code></pre>
  
  <p>Format patterns provide a convenient mechanism for specifying date formats</p>
  
  <pre><code>dd-MMM-yy
  M/d/yy
  d/M/yy
  </code></pre>
  
  <p>I do not see a mechanism to apply a "base year" for 2-digit years after the format pattern has been applied. </p>
  
  <p>Joda-time had <code>DateTimeFormatter.withPivotYear(int pivotYear)</code> as a mechanism to address this problem. </p>
  
  <ul>
  <li><p>In JSR 310, is there a mechanism to apply a base for 2-digit year after specifying a pattern?</p></li>
  <li><p>What is the <em>best-practice</em> recommendation for parsing 2-digit years where the base year may not be 2000?</p></li>
  </ul>