title: how to remove digits of number in java?
body: <p>In the java, how to remove digits of number in an efficient way ? for example, I have 13 digits number, I want to remove the first 3 digits:</p>
  
  <p>Some code:</p>
  
  <pre><code>long largeNumber = 1234567890123L;
  long finalNumber = removeFirstDigits(largeNumber, 3); // finalNumber == 4567890123L
  </code></pre>