title: Java code replaceall method replaces a string with blank value?
body: <p>The Below java code replaces all the character in string variable BusDetails with blank even though i don't see a (. dot) for the method to replace it. Why ?</p>
  
  <p>Output = _BusDetails </p>
  
  <pre><code>String BusDetails = " BUS_12_UFV_BOURQUIN_COMMUTER_TO_UFV";
  
  String table_UniqueBusNameTimings = BusDetails.replaceAll(".", "")+"_BusTimings";
  
  System.out.println("TableName: "+table_UniqueBusNameDetails);
  </code></pre>