title: Java backspace escape
body: <p>I just tested the backspace escape as follows:</p>
  
  <pre><code>System.out.println("Hello\b");
  </code></pre>
  
  <p>I expected to get the output: Hell<br>
  But it was: "Hello" with a square block</p>
  
  <p>anyone knows how java handle this?</p>