code: /*xml
  <module name="Checker">
    <module name="TreeWalker">
      <module name="NoWhitespaceBeforeCaseDefaultColon"/>
    </module>
  </module>
  
  
  */
  //non-compiled with javac: Compilable with Java14
  package com.puppycrawl.tools.checkstyle.checks.whitespace.nowhitespacebeforecasedefaultcolon;
  
  import java.time.DayOfWeek;
  
  // xdoc section -- start
  class Example1 {
    void example() {
      switch(1) {
        case 1 : // violation '':' is preceded with whitespace'
          break;
        case 2:
          break;
        default : // violation '':' is preceded with whitespace'
          break;
      }
  
      switch(2) {
        case 2:
          break;
        case 3, 4
          : break; // violation '':' is preceded with whitespace'
        case 5,
          6: break;
        default
              : // violation '':' is preceded with whitespace'
          break;
      }
  
      switch(DayOfWeek.MONDAY) {
        case MONDAY, FRIDAY, SUNDAY: System.out.println("  6"); break;
        // violation below '':' is preceded with whitespace'
        case TUESDAY               : System.out.println("  7"); break;
      }
    }
  }
  // xdoc section -- end
  